Greatest Common Factor of 840, 390, 478

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

• Greatest Common Factor of 840, 390, 478 by common division method
• Greatest Common Factor of 840, 390, 478 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 840

List of positive integer factors of 840 that divides 840 without a remainder.

1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840

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 478

List of positive integer factors of 478 that divides 478 without a remainder.

1,2,239,478

Greatest Common Factor

We found the factors 840,390,478 . The biggest common factor number is the GCF number.
So the greatest common factor 840,390,478 is 2.

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

• GCF of 582, 899, 303
• GCF of 949, 867, 698
• GCF of 610, 276, 203
• GCF of 265, 414, 532
• GCF of 309, 851, 963

1. What is the GCF of 840, 390, 478?

Answer: GCF of 840, 390, 478 is 2.

2. How to Find the GCF of 840, 390, 478

Answer: Greatest Common Factor(GCF) of 840, 390, 478 = 2

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

Step 2: Then multiply all the prime factors GCF(840, 390, 478) = 2.