Greatest Common Factor of 40, 84, 80, 390

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

• Greatest Common Factor of 40, 84, 80, 390 by common division method
• Greatest Common Factor of 40, 84, 80, 390 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

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

Greatest Common Factor

We found the factors 40,84,80,390 . The biggest common factor number is the GCF number.
So the greatest common factor 40,84,80,390 is 2.

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

• GCF of 51, 77, 16, 626
• GCF of 27, 77, 34, 807
• GCF of 34, 70, 28, 564
• GCF of 95, 87, 47, 599
• GCF of 45, 37, 19, 378

1. What is the GCF of 40, 84, 80, 390?

Answer: GCF of 40, 84, 80, 390 is 2.

2. How to Find the GCF of 40, 84, 80, 390

Answer: Greatest Common Factor(GCF) of 40, 84, 80, 390 = 2

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

Step 2: Then multiply all the prime factors GCF(40, 84, 80, 390) = 2.