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What is the Greatest Common Factor of 20951 and 20959?

Greatest common factor (GCF) of 20951 and 20959 is 1.

GCF(20951,20959) = 1

We will now calculate the prime factors of 20951 and 20959, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20951 and 20959.

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How to find the GCF of 20951 and 20959?

We will first find the prime factorization of 20951 and 20959. After we will calculate the factors of 20951 and 20959 and find the biggest common factor number .

Step-1: Prime Factorization of 20951

Prime factors of 20951 are 7, 41, 73. Prime factorization of 20951 in exponential form is:

20951 = 71 × 411 × 731

Step-2: Prime Factorization of 20959

Prime factors of 20959 are 20959. Prime factorization of 20959 in exponential form is:

20959 = 209591

Step-3: Factors of 20951

List of positive integer factors of 20951 that divides 20951 without a remainder.

1, 7, 41, 73, 287, 511, 2993

Step-4: Factors of 20959

List of positive integer factors of 20959 that divides 20951 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20951 and 20959. The biggest common factor number is the GCF number.
So the greatest common factor 20951 and 20959 is 1.

Also check out the Least Common Multiple of 20951 and 20959