Greatest Common Factor of 680, 141, 21

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

• Greatest Common Factor of 680, 141, 21 by common division method
• Greatest Common Factor of 680, 141, 21 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 680

List of positive integer factors of 680 that divides 680 without a remainder.

1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680

Factors of 141

List of positive integer factors of 141 that divides 141 without a remainder.

1,3,47,141

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 680,141,21 . The biggest common factor number is the GCF number.
So the greatest common factor 680,141,21 is 1.

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

• GCF of 693, 707, 76
• GCF of 198, 371, 20
• GCF of 688, 906, 67
• GCF of 203, 667, 22
• GCF of 442, 128, 25

1. What is the GCF of 680, 141, 21?

Answer: GCF of 680, 141, 21 is 1.

2. How to Find the GCF of 680, 141, 21

Answer: Greatest Common Factor(GCF) of 680, 141, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(680, 141, 21) = 1.