Greatest Common Factor of 21, 24, 39, 531

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

• Greatest Common Factor of 21, 24, 39, 531 by common division method
• Greatest Common Factor of 21, 24, 39, 531 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 531

List of positive integer factors of 531 that divides 531 without a remainder.

1,3,9,59,177,531

Greatest Common Factor

We found the factors 21,24,39,531 . The biggest common factor number is the GCF number.
So the greatest common factor 21,24,39,531 is 3.

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

• GCF of 29, 15, 23, 495
• GCF of 58, 67, 35, 619
• GCF of 74, 60, 75, 733
• GCF of 33, 69, 55, 788
• GCF of 66, 77, 84, 347

1. What is the GCF of 21, 24, 39, 531?

Answer: GCF of 21, 24, 39, 531 is 3.

2. How to Find the GCF of 21, 24, 39, 531

Answer: Greatest Common Factor(GCF) of 21, 24, 39, 531 = 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, 39, 531) = 3.