Greatest Common Factor of 420, 860, 978

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

• Greatest Common Factor of 420, 860, 978 by common division method
• Greatest Common Factor of 420, 860, 978 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

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 860

List of positive integer factors of 860 that divides 860 without a remainder.

1,2,4,5,10,20,43,86,172,215,430,860

Factors of 978

List of positive integer factors of 978 that divides 978 without a remainder.

1,2,3,6,163,326,489,978

Greatest Common Factor

We found the factors 420,860,978 . The biggest common factor number is the GCF number.
So the greatest common factor 420,860,978 is 2.

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

• GCF of 308, 151, 110
• GCF of 813, 154, 784
• GCF of 658, 420, 885
• GCF of 514, 680, 870
• GCF of 287, 199, 141

1. What is the GCF of 420, 860, 978?

Answer: GCF of 420, 860, 978 is 2.

2. How to Find the GCF of 420, 860, 978

Answer: Greatest Common Factor(GCF) of 420, 860, 978 = 2

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

Step 2: Then multiply all the prime factors GCF(420, 860, 978) = 2.