Greatest Common Factor of 42, 19, 648

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

• Greatest Common Factor of 42, 19, 648 by common division method
• Greatest Common Factor of 42, 19, 648 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

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 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

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 42,19,648 . The biggest common factor number is the GCF number.
So the greatest common factor 42,19,648 is 1.

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

• GCF of 99, 47, 657
• GCF of 49, 33, 725
• GCF of 27, 69, 382
• GCF of 67, 82, 951
• GCF of 24, 18, 393

1. What is the GCF of 42, 19, 648?

Answer: GCF of 42, 19, 648 is 1.

2. How to Find the GCF of 42, 19, 648

Answer: Greatest Common Factor(GCF) of 42, 19, 648 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 19, 648) = 1.