What is the Greatest Common Factor of 981 and 986?
Greatest common factor (GCF) of 981 and 986 is 1.
GCF(981,986) = 1
We will now calculate the prime factors of 981 and 986, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 981 and 986.
How to find the GCF of 981 and 986?
We will first find the prime factorization of 981 and 986. After we will calculate the factors of 981 and 986 and find the biggest common factor number .
Step-1: Prime Factorization of 981
Prime factors of 981 are 3, 109. Prime factorization of 981 in exponential form is:
981 = 32 × 1091
Step-2: Prime Factorization of 986
Prime factors of 986 are 2, 17, 29. Prime factorization of 986 in exponential form is:
986 = 21 × 171 × 291
Step-3: Factors of 981
List of positive integer factors of 981 that divides 981 without a remainder.
1, 3, 9, 109, 327
Step-4: Factors of 986
List of positive integer factors of 986 that divides 981 without a remainder.
1, 2, 17, 29, 34, 58, 493
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 981 and 986. The biggest common factor number is the GCF number.
So the greatest common factor 981 and 986 is 1.
Also check out the Least Common Multiple of 981 and 986
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