Greatest Common Factor of 61, 47, 81, 37

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

• Greatest Common Factor of 61, 47, 81, 37 by common division method
• Greatest Common Factor of 61, 47, 81, 37 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 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 37

List of positive integer factors of 37 that divides 37 without a remainder.

1,37

Greatest Common Factor

We found the factors 61,47,81,37 . The biggest common factor number is the GCF number.
So the greatest common factor 61,47,81,37 is 1.

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

• GCF of 73, 43, 17, 85
• GCF of 22, 31, 50, 34
• GCF of 28, 97, 91, 28
• GCF of 83, 90, 69, 61
• GCF of 95, 87, 25, 35

1. What is the GCF of 61, 47, 81, 37?

Answer: GCF of 61, 47, 81, 37 is 1.

2. How to Find the GCF of 61, 47, 81, 37

Answer: Greatest Common Factor(GCF) of 61, 47, 81, 37 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 47, 81, 37) = 1.