Greatest Common Factor of 309, 722, 138

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

• Greatest Common Factor of 309, 722, 138 by common division method
• Greatest Common Factor of 309, 722, 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 309

List of positive integer factors of 309 that divides 309 without a remainder.

1,3,103,309

Factors of 722

List of positive integer factors of 722 that divides 722 without a remainder.

1,2,19,38,361,722

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 309,722,138 . The biggest common factor number is the GCF number.
So the greatest common factor 309,722,138 is 1.

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

• GCF of 474, 847, 982
• GCF of 963, 742, 273
• GCF of 661, 143, 142
• GCF of 988, 444, 389
• GCF of 810, 548, 410

1. What is the GCF of 309, 722, 138?

Answer: GCF of 309, 722, 138 is 1.

2. How to Find the GCF of 309, 722, 138

Answer: Greatest Common Factor(GCF) of 309, 722, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(309, 722, 138) = 1.