Greatest Common Factor of 74, 21, 59, 20

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

• Greatest Common Factor of 74, 21, 59, 20 by common division method
• Greatest Common Factor of 74, 21, 59, 20 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 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 21

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

1,3,7,21

Factors of 59

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

1,59

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 74,21,59,20 . The biggest common factor number is the GCF number.
So the greatest common factor 74,21,59,20 is 1.

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

• GCF of 74, 27, 60, 87
• GCF of 26, 79, 11, 19
• GCF of 89, 72, 17, 66
• GCF of 13, 63, 70, 30
• GCF of 96, 62, 63, 23

1. What is the GCF of 74, 21, 59, 20?

Answer: GCF of 74, 21, 59, 20 is 1.

2. How to Find the GCF of 74, 21, 59, 20

Answer: Greatest Common Factor(GCF) of 74, 21, 59, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(74, 21, 59, 20) = 1.