Greatest Common Factor of 42, 65, 46, 138

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

• Greatest Common Factor of 42, 65, 46, 138 by common division method
• Greatest Common Factor of 42, 65, 46, 138 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 46

List of positive integer factors of 46 that divides 46 without a remainder.

1,2,23,46

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 42,65,46,138 . The biggest common factor number is the GCF number.
So the greatest common factor 42,65,46,138 is 1.

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

• GCF of 66, 81, 66, 441
• GCF of 54, 51, 37, 545
• GCF of 99, 29, 43, 245
• GCF of 66, 36, 56, 571
• GCF of 18, 98, 16, 117

1. What is the GCF of 42, 65, 46, 138?

Answer: GCF of 42, 65, 46, 138 is 1.

2. How to Find the GCF of 42, 65, 46, 138

Answer: Greatest Common Factor(GCF) of 42, 65, 46, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 65, 46, 138) = 1.