Greatest Common Factor of 312, 138, 639

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

• Greatest Common Factor of 312, 138, 639 by common division method
• Greatest Common Factor of 312, 138, 639 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

Factors of 312

List of positive integer factors of 312 that divides 312 without a remainder.

1,2,3,4,6,8,12,13,24,26,39,52,78,104,156,312

Factors of 138

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

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

Factors of 639

List of positive integer factors of 639 that divides 639 without a remainder.

1,3,9,71,213,639

Greatest Common Factor

We found the factors 312,138,639 . The biggest common factor number is the GCF number.
So the greatest common factor 312,138,639 is 3.

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

• GCF of 385, 715, 420
• GCF of 955, 970, 487
• GCF of 902, 550, 881
• GCF of 417, 952, 890
• GCF of 734, 770, 951

1. What is the GCF of 312, 138, 639?

Answer: GCF of 312, 138, 639 is 3.

2. How to Find the GCF of 312, 138, 639

Answer: Greatest Common Factor(GCF) of 312, 138, 639 = 3

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

Step 2: Then multiply all the prime factors GCF(312, 138, 639) = 3.