Greatest Common Factor of 91, 72, 60, 870

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

• Greatest Common Factor of 91, 72, 60, 870 by common division method
• Greatest Common Factor of 91, 72, 60, 870 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 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

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 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 870

List of positive integer factors of 870 that divides 870 without a remainder.

1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870

Greatest Common Factor

We found the factors 91,72,60,870 . The biggest common factor number is the GCF number.
So the greatest common factor 91,72,60,870 is 1.

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

• GCF of 56, 37, 74, 293
• GCF of 85, 75, 66, 377
• GCF of 53, 99, 86, 799
• GCF of 62, 83, 34, 416
• GCF of 11, 71, 48, 177

1. What is the GCF of 91, 72, 60, 870?

Answer: GCF of 91, 72, 60, 870 is 1.

2. How to Find the GCF of 91, 72, 60, 870

Answer: Greatest Common Factor(GCF) of 91, 72, 60, 870 = 1

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

Step 2: Then multiply all the prime factors GCF(91, 72, 60, 870) = 1.