Greatest Common Factor of 86, 24, 21, 65

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

• Greatest Common Factor of 86, 24, 21, 65 by common division method
• Greatest Common Factor of 86, 24, 21, 65 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 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Factors of 21

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

1,3,7,21

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Greatest Common Factor

We found the factors 86,24,21,65 . The biggest common factor number is the GCF number.
So the greatest common factor 86,24,21,65 is 1.

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

• GCF of 60, 39, 23, 10
• GCF of 40, 58, 12, 14
• GCF of 21, 70, 37, 20
• GCF of 21, 91, 86, 20
• GCF of 18, 11, 82, 93

1. What is the GCF of 86, 24, 21, 65?

Answer: GCF of 86, 24, 21, 65 is 1.

2. How to Find the GCF of 86, 24, 21, 65

Answer: Greatest Common Factor(GCF) of 86, 24, 21, 65 = 1

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

Step 2: Then multiply all the prime factors GCF(86, 24, 21, 65) = 1.