Greatest Common Factor of 620, 420, 85

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

• Greatest Common Factor of 620, 420, 85 by common division method
• Greatest Common Factor of 620, 420, 85 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 5 = 5

Factors of 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Greatest Common Factor

We found the factors 620,420,85 . The biggest common factor number is the GCF number.
So the greatest common factor 620,420,85 is 5.

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

• GCF of 391, 410, 97
• GCF of 499, 233, 34
• GCF of 281, 757, 66
• GCF of 245, 652, 22
• GCF of 468, 289, 81

1. What is the GCF of 620, 420, 85?

Answer: GCF of 620, 420, 85 is 5.

2. How to Find the GCF of 620, 420, 85

Answer: Greatest Common Factor(GCF) of 620, 420, 85 = 5

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

Step 2: Then multiply all the prime factors GCF(620, 420, 85) = 5.