Greatest Common Factor of 42, 61, 84

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

• Greatest Common Factor of 42, 61, 84 by common division method
• Greatest Common Factor of 42, 61, 84 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 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Greatest Common Factor

We found the factors 42,61,84 . The biggest common factor number is the GCF number.
So the greatest common factor 42,61,84 is 1.

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

• GCF of 36, 79, 60
• GCF of 71, 23, 28
• GCF of 83, 92, 77
• GCF of 55, 68, 63
• GCF of 71, 68, 18

1. What is the GCF of 42, 61, 84?

Answer: GCF of 42, 61, 84 is 1.

2. How to Find the GCF of 42, 61, 84

Answer: Greatest Common Factor(GCF) of 42, 61, 84 = 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, 84) = 1.