Greatest Common Factor of 196, 455, 21

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

• Greatest Common Factor of 196, 455, 21 by common division method
• Greatest Common Factor of 196, 455, 21 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 196

List of positive integer factors of 196 that divides 196 without a remainder.

1,2,4,7,14,28,49,98,196

Factors of 455

List of positive integer factors of 455 that divides 455 without a remainder.

1,5,7,13,35,65,91,455

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 196,455,21 . The biggest common factor number is the GCF number.
So the greatest common factor 196,455,21 is 7.

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

• GCF of 622, 992, 26
• GCF of 515, 287, 42
• GCF of 315, 870, 14
• GCF of 580, 168, 72
• GCF of 594, 574, 84

1. What is the GCF of 196, 455, 21?

Answer: GCF of 196, 455, 21 is 7.

2. How to Find the GCF of 196, 455, 21

Answer: Greatest Common Factor(GCF) of 196, 455, 21 = 7

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

Step 2: Then multiply all the prime factors GCF(196, 455, 21) = 7.