What is the Greatest Common Factor of 975 and 988?
Greatest common factor (GCF) of 975 and 988 is 13.
GCF(975,988) = 13
We will now calculate the prime factors of 975 and 988, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 975 and 988.
How to find the GCF of 975 and 988?
We will first find the prime factorization of 975 and 988. After we will calculate the factors of 975 and 988 and find the biggest common factor number .
Step-1: Prime Factorization of 975
Prime factors of 975 are 3, 5, 13. Prime factorization of 975 in exponential form is:
975 = 31 × 52 × 131
Step-2: Prime Factorization of 988
Prime factors of 988 are 2, 13, 19. Prime factorization of 988 in exponential form is:
988 = 22 × 131 × 191
Step-3: Factors of 975
List of positive integer factors of 975 that divides 975 without a remainder.
1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325
Step-4: Factors of 988
List of positive integer factors of 988 that divides 975 without a remainder.
1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 975 and 988. The biggest common factor number is the GCF number.
So the greatest common factor 975 and 988 is 13.
Also check out the Least Common Multiple of 975 and 988
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