Greatest Common Factor of 70, 61, 22, 72

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

• Greatest Common Factor of 70, 61, 22, 72 by common division method
• Greatest Common Factor of 70, 61, 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 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

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 70,61,22,72 . The biggest common factor number is the GCF number.
So the greatest common factor 70,61,22,72 is 1.

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

• GCF of 69, 12, 64, 15
• GCF of 15, 35, 11, 31
• GCF of 90, 50, 64, 70
• GCF of 11, 20, 41, 96
• GCF of 11, 32, 12, 98

1. What is the GCF of 70, 61, 22, 72?

Answer: GCF of 70, 61, 22, 72 is 1.

2. How to Find the GCF of 70, 61, 22, 72

Answer: Greatest Common Factor(GCF) of 70, 61, 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(70, 61, 22, 72) = 1.