What is the Greatest Common Factor of 961 and 981?
Greatest common factor (GCF) of 961 and 981 is 1.
GCF(961,981) = 1
We will now calculate the prime factors of 961 and 981, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 961 and 981.
How to find the GCF of 961 and 981?
We will first find the prime factorization of 961 and 981. After we will calculate the factors of 961 and 981 and find the biggest common factor number .
Step-1: Prime Factorization of 961
Prime factors of 961 are 31. Prime factorization of 961 in exponential form is:
961 = 312
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 961
List of positive integer factors of 961 that divides 961 without a remainder.
1, 31
Step-4: Factors of 981
List of positive integer factors of 981 that divides 961 without a remainder.
1, 3, 9, 109, 327
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 961 and 981. The biggest common factor number is the GCF number.
So the greatest common factor 961 and 981 is 1.
Also check out the Least Common Multiple of 961 and 981
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