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What is the Greatest Common Factor of 889 and 909?

Greatest common factor (GCF) of 889 and 909 is 1.

GCF(889,909) = 1

We will now calculate the prime factors of 889 and 909, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 889 and 909.

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How to find the GCF of 889 and 909?

We will first find the prime factorization of 889 and 909. After we will calculate the factors of 889 and 909 and find the biggest common factor number .

Step-1: Prime Factorization of 889

Prime factors of 889 are 7, 127. Prime factorization of 889 in exponential form is:

889 = 71 × 1271

Step-2: Prime Factorization of 909

Prime factors of 909 are 3, 101. Prime factorization of 909 in exponential form is:

909 = 32 × 1011

Step-3: Factors of 889

List of positive integer factors of 889 that divides 889 without a remainder.

1, 7, 127

Step-4: Factors of 909

List of positive integer factors of 909 that divides 889 without a remainder.

1, 3, 9, 101, 303

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 889 and 909. The biggest common factor number is the GCF number.
So the greatest common factor 889 and 909 is 1.

Also check out the Least Common Multiple of 889 and 909