Greatest Common Factor of 21, 282, 138

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

• Greatest Common Factor of 21, 282, 138 by common division method
• Greatest Common Factor of 21, 282, 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 21

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

1,3,7,21

Factors of 282

List of positive integer factors of 282 that divides 282 without a remainder.

1,2,3,6,47,94,141,282

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 21,282,138 . The biggest common factor number is the GCF number.
So the greatest common factor 21,282,138 is 3.

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

• GCF of 21, 747, 826
• GCF of 89, 564, 693
• GCF of 38, 720, 275
• GCF of 46, 748, 796
• GCF of 29, 925, 398

1. What is the GCF of 21, 282, 138?

Answer: GCF of 21, 282, 138 is 3.

2. How to Find the GCF of 21, 282, 138

Answer: Greatest Common Factor(GCF) of 21, 282, 138 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 282, 138) = 3.