What is the Greatest Common Factor of 988 and 1001?
Greatest common factor (GCF) of 988 and 1001 is 13.
GCF(988,1001) = 13
We will now calculate the prime factors of 988 and 1001, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 988 and 1001.
How to find the GCF of 988 and 1001?
We will first find the prime factorization of 988 and 1001. After we will calculate the factors of 988 and 1001 and find the biggest common factor number .
Step-1: 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-2: Prime Factorization of 1001
Prime factors of 1001 are 7, 11, 13. Prime factorization of 1001 in exponential form is:
1001 = 71 × 111 × 131
Step-3: Factors of 988
List of positive integer factors of 988 that divides 988 without a remainder.
1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494
Step-4: Factors of 1001
List of positive integer factors of 1001 that divides 988 without a remainder.
1, 7, 11, 13, 77, 91, 143
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 988 and 1001. The biggest common factor number is the GCF number.
So the greatest common factor 988 and 1001 is 13.
Also check out the Least Common Multiple of 988 and 1001
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