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What is the Greatest Common Factor of 66953 and 66972?

Greatest common factor (GCF) of 66953 and 66972 is 1.

GCF(66953,66972) = 1

We will now calculate the prime factors of 66953 and 66972, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66953 and 66972.

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How to find the GCF of 66953 and 66972?

We will first find the prime factorization of 66953 and 66972. After we will calculate the factors of 66953 and 66972 and find the biggest common factor number .

Step-1: Prime Factorization of 66953

Prime factors of 66953 are 23, 41, 71. Prime factorization of 66953 in exponential form is:

66953 = 231 × 411 × 711

Step-2: Prime Factorization of 66972

Prime factors of 66972 are 2, 3, 5581. Prime factorization of 66972 in exponential form is:

66972 = 22 × 31 × 55811

Step-3: Factors of 66953

List of positive integer factors of 66953 that divides 66953 without a remainder.

1, 23, 41, 71, 943, 1633, 2911

Step-4: Factors of 66972

List of positive integer factors of 66972 that divides 66953 without a remainder.

1, 2, 3, 4, 6, 12, 5581, 11162, 16743, 22324, 33486

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66953 and 66972. The biggest common factor number is the GCF number.
So the greatest common factor 66953 and 66972 is 1.

Also check out the Least Common Multiple of 66953 and 66972