Greatest Common Factor of 420, 406, 17

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

• Greatest Common Factor of 420, 406, 17 by common division method
• Greatest Common Factor of 420, 406, 17 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 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 406

List of positive integer factors of 406 that divides 406 without a remainder.

1,2,7,14,29,58,203,406

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Greatest Common Factor

We found the factors 420,406,17 . The biggest common factor number is the GCF number.
So the greatest common factor 420,406,17 is 1.

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

• GCF of 297, 812, 16
• GCF of 882, 731, 11
• GCF of 919, 288, 45
• GCF of 419, 717, 79
• GCF of 580, 879, 83

1. What is the GCF of 420, 406, 17?

Answer: GCF of 420, 406, 17 is 1.

2. How to Find the GCF of 420, 406, 17

Answer: Greatest Common Factor(GCF) of 420, 406, 17 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 406, 17) = 1.