Greatest Common Factor of 59, 70, 72, 21

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

• Greatest Common Factor of 59, 70, 72, 21 by common division method
• Greatest Common Factor of 59, 70, 72, 21 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 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 59,70,72,21 . The biggest common factor number is the GCF number.
So the greatest common factor 59,70,72,21 is 1.

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

• GCF of 33, 59, 14, 83
• GCF of 99, 24, 60, 72
• GCF of 67, 64, 81, 66
• GCF of 60, 16, 57, 34
• GCF of 47, 13, 11, 62

1. What is the GCF of 59, 70, 72, 21?

Answer: GCF of 59, 70, 72, 21 is 1.

2. How to Find the GCF of 59, 70, 72, 21

Answer: Greatest Common Factor(GCF) of 59, 70, 72, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(59, 70, 72, 21) = 1.