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What is the Greatest Common Factor of 61990 and 61995?

Greatest common factor (GCF) of 61990 and 61995 is 5.

GCF(61990,61995) = 5

We will now calculate the prime factors of 61990 and 61995, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61990 and 61995.

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How to find the GCF of 61990 and 61995?

We will first find the prime factorization of 61990 and 61995. After we will calculate the factors of 61990 and 61995 and find the biggest common factor number .

Step-1: Prime Factorization of 61990

Prime factors of 61990 are 2, 5, 6199. Prime factorization of 61990 in exponential form is:

61990 = 21 × 51 × 61991

Step-2: Prime Factorization of 61995

Prime factors of 61995 are 3, 5, 4133. Prime factorization of 61995 in exponential form is:

61995 = 31 × 51 × 41331

Step-3: Factors of 61990

List of positive integer factors of 61990 that divides 61990 without a remainder.

1, 2, 5, 10, 6199, 12398, 30995

Step-4: Factors of 61995

List of positive integer factors of 61995 that divides 61990 without a remainder.

1, 3, 5, 15, 4133, 12399, 20665

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61990 and 61995. The biggest common factor number is the GCF number.
So the greatest common factor 61990 and 61995 is 5.

Also check out the Least Common Multiple of 61990 and 61995