Greatest Common Factor of 36, 13, 61, 49

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

• Greatest Common Factor of 36, 13, 61, 49 by common division method
• Greatest Common Factor of 36, 13, 61, 49 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 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 61

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

1,61

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Greatest Common Factor

We found the factors 36,13,61,49 . The biggest common factor number is the GCF number.
So the greatest common factor 36,13,61,49 is 1.

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

• GCF of 34, 96, 91, 68
• GCF of 68, 21, 35, 20
• GCF of 53, 55, 31, 80
• GCF of 69, 81, 32, 89
• GCF of 32, 66, 79, 51

1. What is the GCF of 36, 13, 61, 49?

Answer: GCF of 36, 13, 61, 49 is 1.

2. How to Find the GCF of 36, 13, 61, 49

Answer: Greatest Common Factor(GCF) of 36, 13, 61, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(36, 13, 61, 49) = 1.