Greatest Common Factor of 21, 399, 476

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

• Greatest Common Factor of 21, 399, 476 by common division method
• Greatest Common Factor of 21, 399, 476 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 7 = 7

Factors of 21

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

1,3,7,21

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 476

List of positive integer factors of 476 that divides 476 without a remainder.

1,2,4,7,14,17,28,34,68,119,238,476

Greatest Common Factor

We found the factors 21,399,476 . The biggest common factor number is the GCF number.
So the greatest common factor 21,399,476 is 7.

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

• GCF of 56, 203, 567
• GCF of 72, 368, 362
• GCF of 77, 143, 621
• GCF of 23, 815, 197
• GCF of 34, 473, 509

1. What is the GCF of 21, 399, 476?

Answer: GCF of 21, 399, 476 is 7.

2. How to Find the GCF of 21, 399, 476

Answer: Greatest Common Factor(GCF) of 21, 399, 476 = 7

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

Step 2: Then multiply all the prime factors GCF(21, 399, 476) = 7.