What is the Greatest Common Factor of 969 and 987?
Greatest common factor (GCF) of 969 and 987 is 3.
GCF(969,987) = 3
We will now calculate the prime factors of 969 and 987, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 969 and 987.
How to find the GCF of 969 and 987?
We will first find the prime factorization of 969 and 987. After we will calculate the factors of 969 and 987 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 987
Prime factors of 987 are 3, 7, 47. Prime factorization of 987 in exponential form is:
987 = 31 × 71 × 471
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 987
List of positive integer factors of 987 that divides 969 without a remainder.
1, 3, 7, 21, 47, 141, 329
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 969 and 987. The biggest common factor number is the GCF number.
So the greatest common factor 969 and 987 is 3.
Also check out the Least Common Multiple of 969 and 987
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