Greatest Common Factor of 61, 25, 57, 21, 492

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

• Greatest Common Factor of 61, 25, 57, 21, 492 by common division method
• Greatest Common Factor of 61, 25, 57, 21, 492 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 61

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

1,61

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 21

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

1,3,7,21

Factors of 492

List of positive integer factors of 492 that divides 492 without a remainder.

1,2,3,4,6,12,41,82,123,164,246,492

Greatest Common Factor

We found the factors 61,25,57,21,492 . The biggest common factor number is the GCF number.
So the greatest common factor 61,25,57,21,492 is 1.

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

• GCF of 66, 86, 99, 66, 957
• GCF of 30, 43, 34, 43, 393
• GCF of 53, 30, 26, 20, 568
• GCF of 58, 30, 88, 81, 659
• GCF of 71, 87, 90, 20, 681

1. What is the GCF of 61, 25, 57, 21, 492?

Answer: GCF of 61, 25, 57, 21, 492 is 1.

2. How to Find the GCF of 61, 25, 57, 21, 492

Answer: Greatest Common Factor(GCF) of 61, 25, 57, 21, 492 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 25, 57, 21, 492) = 1.