Greatest Common Factor of 59, 79, 21, 40

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

• Greatest Common Factor of 59, 79, 21, 40 by common division method
• Greatest Common Factor of 59, 79, 21, 40 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 59

List of positive integer factors of 59 that divides 59 without a remainder.

1,59

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 21

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

1,3,7,21

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Greatest Common Factor

We found the factors 59,79,21,40 . The biggest common factor number is the GCF number.
So the greatest common factor 59,79,21,40 is 1.

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

• GCF of 37, 45, 70, 29
• GCF of 96, 73, 77, 65
• GCF of 78, 31, 75, 92
• GCF of 30, 10, 21, 20
• GCF of 85, 78, 96, 59

1. What is the GCF of 59, 79, 21, 40?

Answer: GCF of 59, 79, 21, 40 is 1.

2. How to Find the GCF of 59, 79, 21, 40

Answer: Greatest Common Factor(GCF) of 59, 79, 21, 40 = 1

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

Step 2: Then multiply all the prime factors GCF(59, 79, 21, 40) = 1.