Greatest Common Factor of 69, 21, 54, 138

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

• Greatest Common Factor of 69, 21, 54, 138 by common division method
• Greatest Common Factor of 69, 21, 54, 138 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 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

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 69,21,54,138 . The biggest common factor number is the GCF number.
So the greatest common factor 69,21,54,138 is 3.

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

• GCF of 96, 50, 93, 292
• GCF of 70, 15, 17, 433
• GCF of 18, 86, 94, 221
• GCF of 21, 51, 92, 646
• GCF of 94, 38, 92, 466

1. What is the GCF of 69, 21, 54, 138?

Answer: GCF of 69, 21, 54, 138 is 3.

2. How to Find the GCF of 69, 21, 54, 138

Answer: Greatest Common Factor(GCF) of 69, 21, 54, 138 = 3

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

Step 2: Then multiply all the prime factors GCF(69, 21, 54, 138) = 3.