Greatest Common Factor of 61, 91, 36, 72, 189

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

• Greatest Common Factor of 61, 91, 36, 72, 189 by common division method
• Greatest Common Factor of 61, 91, 36, 72, 189 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 61

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

1,61

Factors of 91

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

1,7,13,91

Factors of 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

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 189

List of positive integer factors of 189 that divides 189 without a remainder.

1,3,7,9,21,27,63,189

Greatest Common Factor

We found the factors 61,91,36,72,189 . The biggest common factor number is the GCF number.
So the greatest common factor 61,91,36,72,189 is 1.

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

• GCF of 96, 62, 41, 20, 510
• GCF of 53, 24, 51, 77, 119
• GCF of 20, 77, 49, 57, 327
• GCF of 70, 32, 54, 60, 702
• GCF of 70, 18, 94, 10, 754

1. What is the GCF of 61, 91, 36, 72, 189?

Answer: GCF of 61, 91, 36, 72, 189 is 1.

2. How to Find the GCF of 61, 91, 36, 72, 189

Answer: Greatest Common Factor(GCF) of 61, 91, 36, 72, 189 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 91, 36, 72, 189) = 1.