Greatest Common Factor of 21, 548, 393

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

• Greatest Common Factor of 21, 548, 393 by common division method
• Greatest Common Factor of 21, 548, 393 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 548

List of positive integer factors of 548 that divides 548 without a remainder.

1,2,4,137,274,548

Factors of 393

List of positive integer factors of 393 that divides 393 without a remainder.

1,3,131,393

Greatest Common Factor

We found the factors 21,548,393 . The biggest common factor number is the GCF number.
So the greatest common factor 21,548,393 is 1.

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

• GCF of 92, 124, 166
• GCF of 14, 540, 762
• GCF of 13, 569, 733
• GCF of 87, 569, 735
• GCF of 58, 619, 363

1. What is the GCF of 21, 548, 393?

Answer: GCF of 21, 548, 393 is 1.

2. How to Find the GCF of 21, 548, 393

Answer: Greatest Common Factor(GCF) of 21, 548, 393 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 548, 393) = 1.