Greatest Common Factor of 39, 21, 61, 135

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

• Greatest Common Factor of 39, 21, 61, 135 by common division method
• Greatest Common Factor of 39, 21, 61, 135 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 61

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

1,61

Factors of 135

List of positive integer factors of 135 that divides 135 without a remainder.

1,3,5,9,15,27,45,135

Greatest Common Factor

We found the factors 39,21,61,135 . The biggest common factor number is the GCF number.
So the greatest common factor 39,21,61,135 is 1.

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

• GCF of 27, 77, 19, 608
• GCF of 81, 94, 97, 992
• GCF of 27, 46, 81, 785
• GCF of 37, 76, 98, 696
• GCF of 80, 17, 61, 756

1. What is the GCF of 39, 21, 61, 135?

Answer: GCF of 39, 21, 61, 135 is 1.

2. How to Find the GCF of 39, 21, 61, 135

Answer: Greatest Common Factor(GCF) of 39, 21, 61, 135 = 1

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

Step 2: Then multiply all the prime factors GCF(39, 21, 61, 135) = 1.