Greatest Common Factor of 21, 345, 361

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

• Greatest Common Factor of 21, 345, 361 by common division method
• Greatest Common Factor of 21, 345, 361 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 345

List of positive integer factors of 345 that divides 345 without a remainder.

1,3,5,15,23,69,115,345

Factors of 361

List of positive integer factors of 361 that divides 361 without a remainder.

1,19,361

Greatest Common Factor

We found the factors 21,345,361 . The biggest common factor number is the GCF number.
So the greatest common factor 21,345,361 is 1.

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

• GCF of 11, 822, 757
• GCF of 61, 698, 493
• GCF of 40, 768, 763
• GCF of 62, 264, 431
• GCF of 90, 163, 202

1. What is the GCF of 21, 345, 361?

Answer: GCF of 21, 345, 361 is 1.

2. How to Find the GCF of 21, 345, 361

Answer: Greatest Common Factor(GCF) of 21, 345, 361 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 345, 361) = 1.