What is the Greatest Common Factor of 978 and 988?
Greatest common factor (GCF) of 978 and 988 is 2.
GCF(978,988) = 2
We will now calculate the prime factors of 978 and 988, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 978 and 988.
How to find the GCF of 978 and 988?
We will first find the prime factorization of 978 and 988. After we will calculate the factors of 978 and 988 and find the biggest common factor number .
Step-1: Prime Factorization of 978
Prime factors of 978 are 2, 3, 163. Prime factorization of 978 in exponential form is:
978 = 21 × 31 × 1631
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 978
List of positive integer factors of 978 that divides 978 without a remainder.
1, 2, 3, 6, 163, 326, 489
Step-4: Factors of 988
List of positive integer factors of 988 that divides 978 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 978 and 988. The biggest common factor number is the GCF number.
So the greatest common factor 978 and 988 is 2.
Also check out the Least Common Multiple of 978 and 988
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Related Greatest Common Factors of 988
- GCF of 988 and 992
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