Greatest Common Factor of 72, 22, 85, 40

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

• Greatest Common Factor of 72, 22, 85, 40 by common division method
• Greatest Common Factor of 72, 22, 85, 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 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 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

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 72,22,85,40 . The biggest common factor number is the GCF number.
So the greatest common factor 72,22,85,40 is 1.

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

• GCF of 85, 55, 42, 12
• GCF of 18, 14, 41, 44
• GCF of 76, 61, 49, 87
• GCF of 97, 23, 68, 16
• GCF of 85, 10, 86, 40

1. What is the GCF of 72, 22, 85, 40?

Answer: GCF of 72, 22, 85, 40 is 1.

2. How to Find the GCF of 72, 22, 85, 40

Answer: Greatest Common Factor(GCF) of 72, 22, 85, 40 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 22, 85, 40) = 1.