Greatest Common Factor of 21, 742, 648

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

• Greatest Common Factor of 21, 742, 648 by common division method
• Greatest Common Factor of 21, 742, 648 with matching the biggest common factor

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

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 742

List of positive integer factors of 742 that divides 742 without a remainder.

1,2,7,14,53,106,371,742

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 21,742,648 . The biggest common factor number is the GCF number.
So the greatest common factor 21,742,648 is 1.

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

• GCF of 49, 562, 376
• GCF of 80, 873, 816
• GCF of 44, 706, 373
• GCF of 96, 838, 878
• GCF of 92, 607, 691

1. What is the GCF of 21, 742, 648?

Answer: GCF of 21, 742, 648 is 1.

2. How to Find the GCF of 21, 742, 648

Answer: Greatest Common Factor(GCF) of 21, 742, 648 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 742, 648) = 1.