Greatest Common Factor of 840, 390, 308

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

• Greatest Common Factor of 840, 390, 308 by common division method
• Greatest Common Factor of 840, 390, 308 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 308

List of positive integer factors of 308 that divides 308 without a remainder.

1,2,4,7,11,14,22,28,44,77,154,308

Greatest Common Factor

We found the factors 840,390,308 . The biggest common factor number is the GCF number.
So the greatest common factor 840,390,308 is 2.

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

• GCF of 909, 188, 727
• GCF of 524, 217, 294
• GCF of 597, 649, 759
• GCF of 818, 466, 617
• GCF of 798, 933, 274

1. What is the GCF of 840, 390, 308?

Answer: GCF of 840, 390, 308 is 2.

2. How to Find the GCF of 840, 390, 308

Answer: Greatest Common Factor(GCF) of 840, 390, 308 = 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, 308) = 2.