Greatest Common Factor of 21, 104, 205

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

• Greatest Common Factor of 21, 104, 205 by common division method
• Greatest Common Factor of 21, 104, 205 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 104

List of positive integer factors of 104 that divides 104 without a remainder.

1,2,4,8,13,26,52,104

Factors of 205

List of positive integer factors of 205 that divides 205 without a remainder.

1,5,41,205

Greatest Common Factor

We found the factors 21,104,205 . The biggest common factor number is the GCF number.
So the greatest common factor 21,104,205 is 1.

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

• GCF of 75, 974, 950
• GCF of 29, 336, 405
• GCF of 24, 687, 377
• GCF of 64, 249, 157
• GCF of 83, 527, 866

1. What is the GCF of 21, 104, 205?

Answer: GCF of 21, 104, 205 is 1.

2. How to Find the GCF of 21, 104, 205

Answer: Greatest Common Factor(GCF) of 21, 104, 205 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 104, 205) = 1.