Greatest Common Factor of 4, 65, 138

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

• Greatest Common Factor of 4, 65, 138 by common division method
• Greatest Common Factor of 4, 65, 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 4

List of positive integer factors of 4 that divides 4 without a remainder.

1,2,4

Factors of 65

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

1,5,13,65

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 4,65,138 . The biggest common factor number is the GCF number.
So the greatest common factor 4,65,138 is 1.

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

• GCF of 1, 28, 440
• GCF of 9, 86, 264
• GCF of 2, 29, 924
• GCF of 2, 36, 811
• GCF of 7, 64, 579

1. What is the GCF of 4, 65, 138?

Answer: GCF of 4, 65, 138 is 1.

2. How to Find the GCF of 4, 65, 138

Answer: Greatest Common Factor(GCF) of 4, 65, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(4, 65, 138) = 1.