What is the Greatest Common Factor of 989 and 999?
Greatest common factor (GCF) of 989 and 999 is 1.
GCF(989,999) = 1
We will now calculate the prime factors of 989 and 999, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 989 and 999.
How to find the GCF of 989 and 999?
We will first find the prime factorization of 989 and 999. After we will calculate the factors of 989 and 999 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 999
Prime factors of 999 are 3, 37. Prime factorization of 999 in exponential form is:
999 = 33 × 371
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 999
List of positive integer factors of 999 that divides 989 without a remainder.
1, 3, 9, 27, 37, 111, 333
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 989 and 999. The biggest common factor number is the GCF number.
So the greatest common factor 989 and 999 is 1.
Also check out the Least Common Multiple of 989 and 999
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