Greatest Common Factor of 31, 21, 209, 572

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

• Greatest Common Factor of 31, 21, 209, 572 by common division method
• Greatest Common Factor of 31, 21, 209, 572 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 21

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

1,3,7,21

Factors of 209

List of positive integer factors of 209 that divides 209 without a remainder.

1,11,19,209

Factors of 572

List of positive integer factors of 572 that divides 572 without a remainder.

1,2,4,11,13,22,26,44,52,143,286,572

Greatest Common Factor

We found the factors 31,21,209,572 . The biggest common factor number is the GCF number.
So the greatest common factor 31,21,209,572 is 1.

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

• GCF of 42, 89, 186, 618
• GCF of 14, 77, 249, 402
• GCF of 60, 19, 248, 333
• GCF of 46, 49, 522, 149
• GCF of 99, 86, 712, 269

1. What is the GCF of 31, 21, 209, 572?

Answer: GCF of 31, 21, 209, 572 is 1.

2. How to Find the GCF of 31, 21, 209, 572

Answer: Greatest Common Factor(GCF) of 31, 21, 209, 572 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 21, 209, 572) = 1.