What is the Greatest Common Factor of 966 and 981?
Greatest common factor (GCF) of 966 and 981 is 3.
GCF(966,981) = 3
We will now calculate the prime factors of 966 and 981, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 966 and 981.
How to find the GCF of 966 and 981?
We will first find the prime factorization of 966 and 981. After we will calculate the factors of 966 and 981 and find the biggest common factor number .
Step-1: Prime Factorization of 966
Prime factors of 966 are 2, 3, 7, 23. Prime factorization of 966 in exponential form is:
966 = 21 × 31 × 71 × 231
Step-2: Prime Factorization of 981
Prime factors of 981 are 3, 109. Prime factorization of 981 in exponential form is:
981 = 32 × 1091
Step-3: Factors of 966
List of positive integer factors of 966 that divides 966 without a remainder.
1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483
Step-4: Factors of 981
List of positive integer factors of 981 that divides 966 without a remainder.
1, 3, 9, 109, 327
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 966 and 981. The biggest common factor number is the GCF number.
So the greatest common factor 966 and 981 is 3.
Also check out the Least Common Multiple of 966 and 981
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