Greatest Common Factor of 40, 80, 20, 530

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

• Greatest Common Factor of 40, 80, 20, 530 by common division method
• Greatest Common Factor of 40, 80, 20, 530 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 x 5 = 10

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 530

List of positive integer factors of 530 that divides 530 without a remainder.

1,2,5,10,53,106,265,530

Greatest Common Factor

We found the factors 40,80,20,530 . The biggest common factor number is the GCF number.
So the greatest common factor 40,80,20,530 is 10.

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

• GCF of 42, 26, 72, 374
• GCF of 85, 66, 51, 722
• GCF of 31, 37, 92, 990
• GCF of 24, 27, 37, 896
• GCF of 21, 83, 73, 430

1. What is the GCF of 40, 80, 20, 530?

Answer: GCF of 40, 80, 20, 530 is 10.

2. How to Find the GCF of 40, 80, 20, 530

Answer: Greatest Common Factor(GCF) of 40, 80, 20, 530 = 10

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

Step 2: Then multiply all the prime factors GCF(40, 80, 20, 530) = 10.