What is the Greatest Common Factor of 989 and 995?
Greatest common factor (GCF) of 989 and 995 is 1.
GCF(989,995) = 1
We will now calculate the prime factors of 989 and 995, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 989 and 995.
How to find the GCF of 989 and 995?
We will first find the prime factorization of 989 and 995. After we will calculate the factors of 989 and 995 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 995
Prime factors of 995 are 5, 199. Prime factorization of 995 in exponential form is:
995 = 51 × 1991
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 995
List of positive integer factors of 995 that divides 989 without a remainder.
1, 5, 199
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 989 and 995. The biggest common factor number is the GCF number.
So the greatest common factor 989 and 995 is 1.
Also check out the Least Common Multiple of 989 and 995
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