Greatest Common Factor of 680, 390, 43

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

• Greatest Common Factor of 680, 390, 43 by common division method
• Greatest Common Factor of 680, 390, 43 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 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Greatest Common Factor

We found the factors 680,390,43 . The biggest common factor number is the GCF number.
So the greatest common factor 680,390,43 is 1.

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

• GCF of 732, 862, 27
• GCF of 389, 209, 53
• GCF of 984, 631, 16
• GCF of 815, 409, 63
• GCF of 561, 453, 59

1. What is the GCF of 680, 390, 43?

Answer: GCF of 680, 390, 43 is 1.

2. How to Find the GCF of 680, 390, 43

Answer: Greatest Common Factor(GCF) of 680, 390, 43 = 1

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

Step 2: Then multiply all the prime factors GCF(680, 390, 43) = 1.