Greatest Common Factor of 68, 61, 21, 572

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

• Greatest Common Factor of 68, 61, 21, 572 by common division method
• Greatest Common Factor of 68, 61, 21, 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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 21

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

1,3,7,21

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 68,61,21,572 . The biggest common factor number is the GCF number.
So the greatest common factor 68,61,21,572 is 1.

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

• GCF of 16, 35, 59, 171
• GCF of 85, 76, 36, 546
• GCF of 59, 25, 33, 616
• GCF of 31, 77, 37, 869
• GCF of 82, 96, 68, 173

1. What is the GCF of 68, 61, 21, 572?

Answer: GCF of 68, 61, 21, 572 is 1.

2. How to Find the GCF of 68, 61, 21, 572

Answer: Greatest Common Factor(GCF) of 68, 61, 21, 572 = 1

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

Step 2: Then multiply all the prime factors GCF(68, 61, 21, 572) = 1.