What is the Greatest Common Factor of 77942 and 77956?
Greatest common factor (GCF) of 77942 and 77956 is 2.
GCF(77942,77956) = 2
We will now calculate the prime factors of 77942 and 77956, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77942 and 77956.
How to find the GCF of 77942 and 77956?
We will first find the prime factorization of 77942 and 77956. After we will calculate the factors of 77942 and 77956 and find the biggest common factor number .
Step-1: Prime Factorization of 77942
Prime factors of 77942 are 2, 38971. Prime factorization of 77942 in exponential form is:
77942 = 21 × 389711
Step-2: Prime Factorization of 77956
Prime factors of 77956 are 2, 19489. Prime factorization of 77956 in exponential form is:
77956 = 22 × 194891
Step-3: Factors of 77942
List of positive integer factors of 77942 that divides 77942 without a remainder.
1, 2, 38971
Step-4: Factors of 77956
List of positive integer factors of 77956 that divides 77942 without a remainder.
1, 2, 4, 19489, 38978
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 77942 and 77956. The biggest common factor number is the GCF number.
So the greatest common factor 77942 and 77956 is 2.
Also check out the Least Common Multiple of 77942 and 77956
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