Greatest Common Factor of 21, 28, 413

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

• Greatest Common Factor of 21, 28, 413 by common division method
• Greatest Common Factor of 21, 28, 413 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 413

List of positive integer factors of 413 that divides 413 without a remainder.

1,7,59,413

Greatest Common Factor

We found the factors 21,28,413 . The biggest common factor number is the GCF number.
So the greatest common factor 21,28,413 is 7.

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

• GCF of 53, 94, 315
• GCF of 23, 32, 406
• GCF of 50, 19, 394
• GCF of 17, 66, 691
• GCF of 33, 84, 838

1. What is the GCF of 21, 28, 413?

Answer: GCF of 21, 28, 413 is 7.

2. How to Find the GCF of 21, 28, 413

Answer: Greatest Common Factor(GCF) of 21, 28, 413 = 7

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

Step 2: Then multiply all the prime factors GCF(21, 28, 413) = 7.