Greatest Common Factor of 42, 61, 39, 111

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

• Greatest Common Factor of 42, 61, 39, 111 by common division method
• Greatest Common Factor of 42, 61, 39, 111 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 61

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

1,61

Factors of 39

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

1,3,13,39

Factors of 111

List of positive integer factors of 111 that divides 111 without a remainder.

1,3,37,111

Greatest Common Factor

We found the factors 42,61,39,111 . The biggest common factor number is the GCF number.
So the greatest common factor 42,61,39,111 is 1.

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

• GCF of 92, 50, 32, 890
• GCF of 77, 80, 90, 601
• GCF of 54, 35, 67, 981
• GCF of 92, 33, 12, 141
• GCF of 79, 21, 76, 712

1. What is the GCF of 42, 61, 39, 111?

Answer: GCF of 42, 61, 39, 111 is 1.

2. How to Find the GCF of 42, 61, 39, 111

Answer: Greatest Common Factor(GCF) of 42, 61, 39, 111 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 61, 39, 111) = 1.