What is the Greatest Common Factor of 77961 and 77981?
Greatest common factor (GCF) of 77961 and 77981 is 1.
GCF(77961,77981) = 1
We will now calculate the prime factors of 77961 and 77981, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77961 and 77981.
How to find the GCF of 77961 and 77981?
We will first find the prime factorization of 77961 and 77981. After we will calculate the factors of 77961 and 77981 and find the biggest common factor number .
Step-1: Prime Factorization of 77961
Prime factors of 77961 are 3, 13, 1999. Prime factorization of 77961 in exponential form is:
77961 = 31 × 131 × 19991
Step-2: Prime Factorization of 77981
Prime factors of 77981 are 29, 2689. Prime factorization of 77981 in exponential form is:
77981 = 291 × 26891
Step-3: Factors of 77961
List of positive integer factors of 77961 that divides 77961 without a remainder.
1, 3, 13, 39, 1999, 5997, 25987
Step-4: Factors of 77981
List of positive integer factors of 77981 that divides 77961 without a remainder.
1, 29, 2689
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 77961 and 77981. The biggest common factor number is the GCF number.
So the greatest common factor 77961 and 77981 is 1.
Also check out the Least Common Multiple of 77961 and 77981
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