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What is the Greatest Common Factor of 89 and 100?

Greatest common factor (GCF) of 89 and 100 is 1.

GCF(89,100) = 1

We will now calculate the prime factors of 89 and 100, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 89 and 100.

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How to find the GCF of 89 and 100?

We will first find the prime factorization of 89 and 100. After we will calculate the factors of 89 and 100 and find the biggest common factor number .

Step-1: Prime Factorization of 89

Prime factors of 89 are 89. Prime factorization of 89 in exponential form is:

89 = 891

Step-2: Prime Factorization of 100

Prime factors of 100 are 2, 5. Prime factorization of 100 in exponential form is:

100 = 22 × 52

Step-3: Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1

Step-4: Factors of 100

List of positive integer factors of 100 that divides 89 without a remainder.

1, 2, 4, 5, 10, 20, 25, 50

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 89 and 100. The biggest common factor number is the GCF number.
So the greatest common factor 89 and 100 is 1.

Also check out the Least Common Multiple of 89 and 100

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