Greatest Common Factor of 21, 24, 486

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

• Greatest Common Factor of 21, 24, 486 by common division method
• Greatest Common Factor of 21, 24, 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 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

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 21,24,486 . The biggest common factor number is the GCF number.
So the greatest common factor 21,24,486 is 3.

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

• GCF of 80, 92, 548
• GCF of 50, 27, 420
• GCF of 79, 77, 878
• GCF of 98, 86, 347
• GCF of 48, 29, 974

1. What is the GCF of 21, 24, 486?

Answer: GCF of 21, 24, 486 is 3.

2. How to Find the GCF of 21, 24, 486

Answer: Greatest Common Factor(GCF) of 21, 24, 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, 24, 486) = 3.