Greatest Common Factor of 72, 93, 20, 642

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

• Greatest Common Factor of 72, 93, 20, 642 by common division method
• Greatest Common Factor of 72, 93, 20, 642 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 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 93

List of positive integer factors of 93 that divides 93 without a remainder.

1,3,31,93

Factors of 20

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

1,2,4,5,10,20

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Greatest Common Factor

We found the factors 72,93,20,642 . The biggest common factor number is the GCF number.
So the greatest common factor 72,93,20,642 is 1.

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

• GCF of 58, 22, 80, 975
• GCF of 90, 69, 91, 700
• GCF of 96, 40, 81, 734
• GCF of 35, 47, 72, 676
• GCF of 94, 84, 98, 587

1. What is the GCF of 72, 93, 20, 642?

Answer: GCF of 72, 93, 20, 642 is 1.

2. How to Find the GCF of 72, 93, 20, 642

Answer: Greatest Common Factor(GCF) of 72, 93, 20, 642 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 93, 20, 642) = 1.