Greatest Common Factor of 17, 85, 25, 22, 72

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

• Greatest Common Factor of 17, 85, 25, 22, 72 by common division method
• Greatest Common Factor of 17, 85, 25, 22, 72 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 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 85

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

1,5,17,85

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 22

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

1,2,11,22

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

Greatest Common Factor

We found the factors 17,85,25,22,72 . The biggest common factor number is the GCF number.
So the greatest common factor 17,85,25,22,72 is 1.

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

• GCF of 91, 30, 32, 14, 46
• GCF of 47, 10, 98, 38, 43
• GCF of 91, 12, 74, 95, 30
• GCF of 37, 42, 29, 57, 58
• GCF of 39, 57, 43, 65, 92

1. What is the GCF of 17, 85, 25, 22, 72?

Answer: GCF of 17, 85, 25, 22, 72 is 1.

2. How to Find the GCF of 17, 85, 25, 22, 72

Answer: Greatest Common Factor(GCF) of 17, 85, 25, 22, 72 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 85, 25, 22, 72) = 1.