Greatest Common Factor of 21, 47, 404

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

• Greatest Common Factor of 21, 47, 404 by common division method
• Greatest Common Factor of 21, 47, 404 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 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 404

List of positive integer factors of 404 that divides 404 without a remainder.

1,2,4,101,202,404

Greatest Common Factor

We found the factors 21,47,404 . The biggest common factor number is the GCF number.
So the greatest common factor 21,47,404 is 1.

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

• GCF of 96, 47, 975
• GCF of 11, 43, 510
• GCF of 12, 58, 618
• GCF of 64, 10, 195
• GCF of 13, 13, 112

1. What is the GCF of 21, 47, 404?

Answer: GCF of 21, 47, 404 is 1.

2. How to Find the GCF of 21, 47, 404

Answer: Greatest Common Factor(GCF) of 21, 47, 404 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 47, 404) = 1.