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What is the Greatest Common Factor of 87017 and 87021?

Greatest common factor (GCF) of 87017 and 87021 is 1.

GCF(87017,87021) = 1

We will now calculate the prime factors of 87017 and 87021, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87017 and 87021.

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How to find the GCF of 87017 and 87021?

We will first find the prime factorization of 87017 and 87021. After we will calculate the factors of 87017 and 87021 and find the biggest common factor number .

Step-1: Prime Factorization of 87017

Prime factors of 87017 are 7, 31, 401. Prime factorization of 87017 in exponential form is:

87017 = 71 × 311 × 4011

Step-2: Prime Factorization of 87021

Prime factors of 87021 are 3, 11, 293. Prime factorization of 87021 in exponential form is:

87021 = 33 × 111 × 2931

Step-3: Factors of 87017

List of positive integer factors of 87017 that divides 87017 without a remainder.

1, 7, 31, 217, 401, 2807, 12431

Step-4: Factors of 87021

List of positive integer factors of 87021 that divides 87017 without a remainder.

1, 3, 9, 11, 27, 33, 99, 293, 297, 879, 2637, 3223, 7911, 9669, 29007

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87017 and 87021. The biggest common factor number is the GCF number.
So the greatest common factor 87017 and 87021 is 1.

Also check out the Least Common Multiple of 87017 and 87021