Greatest Common Factor of 85, 13, 72

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

• Greatest Common Factor of 85, 13, 72 by common division method
• Greatest Common Factor of 85, 13, 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 85

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

1,5,17,85

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

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 85,13,72 . The biggest common factor number is the GCF number.
So the greatest common factor 85,13,72 is 1.

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

• GCF of 71, 10, 89
• GCF of 59, 87, 64
• GCF of 59, 72, 91
• GCF of 70, 40, 42
• GCF of 30, 41, 33

1. What is the GCF of 85, 13, 72?

Answer: GCF of 85, 13, 72 is 1.

2. How to Find the GCF of 85, 13, 72

Answer: Greatest Common Factor(GCF) of 85, 13, 72 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 13, 72) = 1.