Greatest Common Factor of 42, 640, 418

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

• Greatest Common Factor of 42, 640, 418 by common division method
• Greatest Common Factor of 42, 640, 418 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Factors of 418

List of positive integer factors of 418 that divides 418 without a remainder.

1,2,11,19,22,38,209,418

Greatest Common Factor

We found the factors 42,640,418 . The biggest common factor number is the GCF number.
So the greatest common factor 42,640,418 is 2.

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

• GCF of 51, 711, 813
• GCF of 50, 194, 171
• GCF of 53, 676, 264
• GCF of 86, 101, 475
• GCF of 80, 644, 769

1. What is the GCF of 42, 640, 418?

Answer: GCF of 42, 640, 418 is 2.

2. How to Find the GCF of 42, 640, 418

Answer: Greatest Common Factor(GCF) of 42, 640, 418 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 640, 418) = 2.