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What is the Greatest Common Factor of 969 and 985?

Greatest common factor (GCF) of 969 and 985 is 1.

GCF(969,985) = 1

We will now calculate the prime factors of 969 and 985, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 969 and 985.

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How to find the GCF of 969 and 985?

We will first find the prime factorization of 969 and 985. After we will calculate the factors of 969 and 985 and find the biggest common factor number .

Step-1: Prime Factorization of 969

Prime factors of 969 are 3, 17, 19. Prime factorization of 969 in exponential form is:

969 = 31 × 171 × 191

Step-2: Prime Factorization of 985

Prime factors of 985 are 5, 197. Prime factorization of 985 in exponential form is:

985 = 51 × 1971

Step-3: Factors of 969

List of positive integer factors of 969 that divides 969 without a remainder.

1, 3, 17, 19, 51, 57, 323

Step-4: Factors of 985

List of positive integer factors of 985 that divides 969 without a remainder.

1, 5, 197

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 969 and 985. The biggest common factor number is the GCF number.
So the greatest common factor 969 and 985 is 1.

Also check out the Least Common Multiple of 969 and 985