Greatest Common Factor of 68, 42, 648

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

• Greatest Common Factor of 68, 42, 648 by common division method
• Greatest Common Factor of 68, 42, 648 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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

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 648

List of positive integer factors of 648 that divides 648 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,81,108,162,216,324,648

Greatest Common Factor

We found the factors 68,42,648 . The biggest common factor number is the GCF number.
So the greatest common factor 68,42,648 is 2.

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

• GCF of 70, 56, 442
• GCF of 21, 92, 601
• GCF of 72, 40, 451
• GCF of 49, 89, 398
• GCF of 72, 44, 280

1. What is the GCF of 68, 42, 648?

Answer: GCF of 68, 42, 648 is 2.

2. How to Find the GCF of 68, 42, 648

Answer: Greatest Common Factor(GCF) of 68, 42, 648 = 2

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

Step 2: Then multiply all the prime factors GCF(68, 42, 648) = 2.