Greatest Common Factor of 42, 72, 53, 680

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

• Greatest Common Factor of 42, 72, 53, 680 by common division method
• Greatest Common Factor of 42, 72, 53, 680 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

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 53

List of positive integer factors of 53 that divides 53 without a remainder.

1,53

Factors of 680

List of positive integer factors of 680 that divides 680 without a remainder.

1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680

Greatest Common Factor

We found the factors 42,72,53,680 . The biggest common factor number is the GCF number.
So the greatest common factor 42,72,53,680 is 1.

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

• GCF of 51, 83, 51, 245
• GCF of 82, 95, 32, 322
• GCF of 38, 62, 39, 129
• GCF of 49, 50, 59, 762
• GCF of 26, 16, 12, 567

1. What is the GCF of 42, 72, 53, 680?

Answer: GCF of 42, 72, 53, 680 is 1.

2. How to Find the GCF of 42, 72, 53, 680

Answer: Greatest Common Factor(GCF) of 42, 72, 53, 680 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 72, 53, 680) = 1.