Greatest Common Factor of 21, 501, 486

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

• Greatest Common Factor of 21, 501, 486 by common division method
• Greatest Common Factor of 21, 501, 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 21

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

1,3,7,21

Factors of 501

List of positive integer factors of 501 that divides 501 without a remainder.

1,3,167,501

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 21,501,486 . The biggest common factor number is the GCF number.
So the greatest common factor 21,501,486 is 3.

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

• GCF of 92, 607, 305
• GCF of 53, 329, 482
• GCF of 59, 409, 609
• GCF of 62, 428, 364
• GCF of 86, 904, 952

1. What is the GCF of 21, 501, 486?

Answer: GCF of 21, 501, 486 is 3.

2. How to Find the GCF of 21, 501, 486

Answer: Greatest Common Factor(GCF) of 21, 501, 486 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 501, 486) = 3.