Greatest Common Factor of 72, 61, 55, 130

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

• Greatest Common Factor of 72, 61, 55, 130 by common division method
• Greatest Common Factor of 72, 61, 55, 130 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 61

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

1,61

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 130

List of positive integer factors of 130 that divides 130 without a remainder.

1,2,5,10,13,26,65,130

Greatest Common Factor

We found the factors 72,61,55,130 . The biggest common factor number is the GCF number.
So the greatest common factor 72,61,55,130 is 1.

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

• GCF of 56, 61, 86, 187
• GCF of 70, 84, 54, 808
• GCF of 94, 58, 41, 145
• GCF of 52, 12, 87, 535
• GCF of 15, 77, 31, 762

1. What is the GCF of 72, 61, 55, 130?

Answer: GCF of 72, 61, 55, 130 is 1.

2. How to Find the GCF of 72, 61, 55, 130

Answer: Greatest Common Factor(GCF) of 72, 61, 55, 130 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 61, 55, 130) = 1.