What is the LCM of 7 and 9?

The LCM of 7 and 9 is 63.
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What is the GCF and LCM of 7 and 9?

Example 3: Find the GCF of 7 and 9, if their LCM is 63. Therefore, the greatest common factor of 7 and 9 is 1.
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What are the factors of 7 and 9?

What is the GCF of 7 and 9
  • The factors of 7 are 7, 1.
  • The factors of 9 are 9, 3, 1.
  • The common factors of 7 and 9 are 1, intersecting the two sets above.
  • In the intersection factors of 7 ∩ factors of 9 the greatest element is 1.
  • Therefore, the greatest common factor of 7 and 9 is 1.
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What are the first two common multiples of 7 and 9?

When we compare the two lists to see what they have in common, we get the answer to "What are the common multiples of 9 and 7?" 63, 126, 189, 252, etc. Since 63 is the first number they have in common, 63 is the least common multiple of 9 and 7.
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How do you find the LCM of 7?

FAQs on LCM of 7 and 7

The LCM of 7 and 7 is 7. To find the least common multiple of 7 and 7, we need to find the multiples of 7(multiples of 7 = 7, 14, 21, 28, . .) and choose the smallest multiple that is exactly divisible by 7 and 7, i.e., 7.
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LCM of 7 and 9



Whats the GCF of 7 and 9?

Greatest common factor (GCF) of 7 and 9 is 1.
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What is the HCF of 7 and 9?

The HCF of 7 and 9 is 1. To calculate the Highest common factor (HCF) of 7 and 9, we need to factor each number (factors of 7 = 1, 7; factors of 9 = 1, 3, 9) and choose the highest factor that exactly divides both 7 and 9, i.e., 1.
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What's the greatest common factor of 7 and 9?

Greatest common factor (GCF) of 7 and 9 is 1.
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How do you find the LCM?

Find the LCM by listing multiples.
  1. List the first several multiples of each number.
  2. Look for multiples common to both lists. If there are no common multiples in the lists, write out additional multiples for each number.
  3. Look for the smallest number that is common to both lists.
  4. This number is the LCM.
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What are the multiples of 9?

Solutions. The first ten multiples of 9 are 9, 18, 27, 36, 45, 54, 63, 72, 81, 90.
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What is the GCF of 7?

GCF of 7 and 10 is the largest possible number that divides 7 and 10 exactly without any remainder. The factors of 7 and 10 are 1, 7 and 1, 2, 5, 10 respectively. There are 3 commonly used methods to find the GCF of 7 and 10 - Euclidean algorithm, prime factorization, and long division.
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How do you find the HCF?

How to Find HCF?
  1. Step 1: Write each number as a product of its prime factors. This method is called here prime factorization.
  2. Step 2: Now list the common factors of both the numbers.
  3. Step 3: The product of all common prime factors is the HCF ( use the lower power of each common factor)
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What is the common factors of 9?

Solution: The factors of nine are 1, 3 and 9.
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What is the LCM of 9 and 36?

Answer: LCM of 9 and 36 is 36.
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What is the LCM of 8 and 1, 2?

The LCM of 8 and 12 is 24.
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What is the LCM of 1, 2 and 15?

Common Multiples of 15: 15, 30, 45, 60, 75,… Hence, the Least common multiple of 12 and 15 is 60.
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What is the LCM of 6 and 9?

The LCM of 6 and 9 is 18.
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What is the LCM of 9 and 8?

What is the LCM of 8 and 9? The LCM of 8 and 9 is 72.
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How many prime numbers are there between 1 and 100?

There are 25 prime numbers between 1 to 100 which are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97.
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What is the multiples of 7?

The multiples of 7 between 1 to 100 are 7 , 14 , 21 , 28 , 35 , 42 , 49 , 56 , 63 , 70, 77, 84, 91, 98.
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What is the number of prime numbers between 50 and 60?

The prime numbers between 50 and 60 are 53 and 59. Hence option a is the answer.
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