Greatest Common Factor of 21, 505, 136

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

• Greatest Common Factor of 21, 505, 136 by common division method
• Greatest Common Factor of 21, 505, 136 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 505

List of positive integer factors of 505 that divides 505 without a remainder.

1,5,101,505

Factors of 136

List of positive integer factors of 136 that divides 136 without a remainder.

1,2,4,8,17,34,68,136

Greatest Common Factor

We found the factors 21,505,136 . The biggest common factor number is the GCF number.
So the greatest common factor 21,505,136 is 1.

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

• GCF of 23, 765, 191
• GCF of 60, 598, 306
• GCF of 75, 227, 905
• GCF of 77, 639, 518
• GCF of 83, 301, 686

1. What is the GCF of 21, 505, 136?

Answer: GCF of 21, 505, 136 is 1.

2. How to Find the GCF of 21, 505, 136

Answer: Greatest Common Factor(GCF) of 21, 505, 136 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 505, 136) = 1.