Greatest Common Factor of 21, 587, 172

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 21, 587, 172 by common division method
• Greatest Common Factor of 21, 587, 172 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 587

List of positive integer factors of 587 that divides 587 without a remainder.

1,587

Factors of 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

Greatest Common Factor

We found the factors 21,587,172 . The biggest common factor number is the GCF number.
So the greatest common factor 21,587,172 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 56, 455, 966
• GCF of 90, 836, 646
• GCF of 29, 624, 701
• GCF of 88, 417, 243
• GCF of 73, 835, 561

1. What is the GCF of 21, 587, 172?

Answer: GCF of 21, 587, 172 is 1.

2. How to Find the GCF of 21, 587, 172

Answer: Greatest Common Factor(GCF) of 21, 587, 172 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(21, 587, 172) = 1.