Greatest Common Factor of 86, 60, 21, 25

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

• Greatest Common Factor of 86, 60, 21, 25 by common division method
• Greatest Common Factor of 86, 60, 21, 25 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 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 21

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

1,3,7,21

Factors of 25

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

1,5,25

Greatest Common Factor

We found the factors 86,60,21,25 . The biggest common factor number is the GCF number.
So the greatest common factor 86,60,21,25 is 1.

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

• GCF of 13, 55, 69, 31
• GCF of 82, 73, 30, 91
• GCF of 66, 28, 98, 73
• GCF of 72, 44, 73, 80
• GCF of 52, 33, 14, 40

1. What is the GCF of 86, 60, 21, 25?

Answer: GCF of 86, 60, 21, 25 is 1.

2. How to Find the GCF of 86, 60, 21, 25

Answer: Greatest Common Factor(GCF) of 86, 60, 21, 25 = 1

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

Step 2: Then multiply all the prime factors GCF(86, 60, 21, 25) = 1.