What is the Greatest Common Factor of 989 and 1007?
Greatest common factor (GCF) of 989 and 1007 is 1.
GCF(989,1007) = 1
We will now calculate the prime factors of 989 and 1007, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 989 and 1007.
How to find the GCF of 989 and 1007?
We will first find the prime factorization of 989 and 1007. After we will calculate the factors of 989 and 1007 and find the biggest common factor number .
Step-1: Prime Factorization of 989
Prime factors of 989 are 23, 43. Prime factorization of 989 in exponential form is:
989 = 231 × 431
Step-2: Prime Factorization of 1007
Prime factors of 1007 are 19, 53. Prime factorization of 1007 in exponential form is:
1007 = 191 × 531
Step-3: Factors of 989
List of positive integer factors of 989 that divides 989 without a remainder.
1, 23, 43
Step-4: Factors of 1007
List of positive integer factors of 1007 that divides 989 without a remainder.
1, 19, 53
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 989 and 1007. The biggest common factor number is the GCF number.
So the greatest common factor 989 and 1007 is 1.
Also check out the Least Common Multiple of 989 and 1007
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