Greatest Common Factor of 530, 646, 420

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

• Greatest Common Factor of 530, 646, 420 by common division method
• Greatest Common Factor of 530, 646, 420 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 = 2

Factors of 530

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

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

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Greatest Common Factor

We found the factors 530,646,420 . The biggest common factor number is the GCF number.
So the greatest common factor 530,646,420 is 2.

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

• GCF of 493, 310, 528
• GCF of 849, 188, 757
• GCF of 760, 185, 381
• GCF of 748, 491, 395
• GCF of 647, 141, 902

1. What is the GCF of 530, 646, 420?

Answer: GCF of 530, 646, 420 is 2.

2. How to Find the GCF of 530, 646, 420

Answer: Greatest Common Factor(GCF) of 530, 646, 420 = 2

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

Step 2: Then multiply all the prime factors GCF(530, 646, 420) = 2.