Greatest Common Factor of 645, 138, 486

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

• Greatest Common Factor of 645, 138, 486 by common division method
• Greatest Common Factor of 645, 138, 486 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 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

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 486

List of positive integer factors of 486 that divides 486 without a remainder.

1,2,3,6,9,18,27,54,81,162,243,486

Greatest Common Factor

We found the factors 645,138,486 . The biggest common factor number is the GCF number.
So the greatest common factor 645,138,486 is 3.

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

• GCF of 419, 311, 665
• GCF of 922, 548, 729
• GCF of 345, 353, 982
• GCF of 864, 825, 797
• GCF of 328, 176, 996

1. What is the GCF of 645, 138, 486?

Answer: GCF of 645, 138, 486 is 3.

2. How to Find the GCF of 645, 138, 486

Answer: Greatest Common Factor(GCF) of 645, 138, 486 = 3

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

Step 2: Then multiply all the prime factors GCF(645, 138, 486) = 3.