Greatest Common Factor of 42, 64, 642

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

• Greatest Common Factor of 42, 64, 642 by common division method
• Greatest Common Factor of 42, 64, 642 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 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Greatest Common Factor

We found the factors 42,64,642 . The biggest common factor number is the GCF number.
So the greatest common factor 42,64,642 is 2.

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

• GCF of 49, 53, 427
• GCF of 52, 41, 222
• GCF of 68, 49, 925
• GCF of 37, 15, 407
• GCF of 76, 36, 307

1. What is the GCF of 42, 64, 642?

Answer: GCF of 42, 64, 642 is 2.

2. How to Find the GCF of 42, 64, 642

Answer: Greatest Common Factor(GCF) of 42, 64, 642 = 2

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

Step 2: Then multiply all the prime factors GCF(42, 64, 642) = 2.