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What is the GCF and LCM of 8 and 30?

What is the GCF and LCM of 8 and 30?

The LCM of 8 and 30 is 120. To find the least common multiple of 8 and 30, we need to find the multiples of 8 and 30 (multiples of 8 = 8, 16, 24, 32 . . . . 120; multiples of 30 = 30, 60, 90, 120) and choose the smallest multiple that is exactly divisible by 8 and 30, i.e., 120.

What are the greatest common factors 30?

The factors of 30 are 1, 2, 3, 5, 10, 15, and 30. The common factors of 15 and 30 are 1, 3, 5, and 15.

What are the prime factorization of 30 and 8?

Prime factorization of 8 and 30 is (2 × 2 × 2) = 23 and (2 × 3 × 5) = 21 × 31 × 51 respectively.

What are the greatest factors of 8?

FAQs on GCF of 8 and 12 To calculate the GCF of 8 and 12, we need to factor each number (factors of 8 = 1, 2, 4, 8; factors of 12 = 1, 2, 3, 4, 6, 12) and choose the greatest factor that exactly divides both 8 and 12, i.e., 4.

What is the greatest common factor of 8 30 and 42?

As you can see when you list out the factors of each number, 1 is the greatest number that 8, 30, 42, and 43 divides into.

Which is the greatest of the common factors?

The common factors are: 1, 2, 4, 8 The Greatest Common Factor: GCF = 8

Which is the greatest common factor for 8, 12, 20?

separated by commas or spaces. Answer: GCF = 4. for the values 8, 12, 20. Solution by Factorization: The factors of 8 are: 1, 2, 4, 8. The factors of 12 are: 1, 2, 3, 4, 6, 12. The factors of 20 are: 1, 2, 4, 5, 10, 20. Then the greatest common factor is 4.

How to find the greatest factor of a number?

There are several ways to find the greatest common factor of numbers. The most efficient method you use depends on how many numbers you have, how large they are and what you will do with the result. To find the GCF by factoring, list out all of the factors of each number or find them with a Factors Calculator.

Which is the largest common factor of 27, 54 and 81?

81. 1, 3, 9, 27, 81. Each of the numbers can be divided by 1, 3, 9, and 27, so you can say that these numbers are common factors of the set of numbers 27, 54, and 81. The largest of the common factors is 27, so you can say that 27 is the greatest common factor of 27, 54, and 81.