Greatest Common Factor of 138, 774, 30

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

• Greatest Common Factor of 138, 774, 30 by common division method
• Greatest Common Factor of 138, 774, 30 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 3 = 6

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 774

List of positive integer factors of 774 that divides 774 without a remainder.

1,2,3,6,9,18,43,86,129,258,387,774

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Greatest Common Factor

We found the factors 138,774,30 . The biggest common factor number is the GCF number.
So the greatest common factor 138,774,30 is 6.

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

• GCF of 845, 179, 59
• GCF of 236, 952, 36
• GCF of 812, 576, 82
• GCF of 103, 172, 35
• GCF of 500, 988, 49

1. What is the GCF of 138, 774, 30?

Answer: GCF of 138, 774, 30 is 6.

2. How to Find the GCF of 138, 774, 30

Answer: Greatest Common Factor(GCF) of 138, 774, 30 = 6

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

Step 2: Then multiply all the prime factors GCF(138, 774, 30) = 6.