Greatest Common Factor of 10, 78, 40, 660

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

• Greatest Common Factor of 10, 78, 40, 660 by common division method
• Greatest Common Factor of 10, 78, 40, 660 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 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

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 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

Greatest Common Factor

We found the factors 10,78,40,660 . The biggest common factor number is the GCF number.
So the greatest common factor 10,78,40,660 is 2.

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

• GCF of 10, 28, 85, 387
• GCF of 85, 80, 76, 991
• GCF of 27, 97, 93, 900
• GCF of 93, 60, 46, 514
• GCF of 32, 59, 87, 289

1. What is the GCF of 10, 78, 40, 660?

Answer: GCF of 10, 78, 40, 660 is 2.

2. How to Find the GCF of 10, 78, 40, 660

Answer: Greatest Common Factor(GCF) of 10, 78, 40, 660 = 2

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

Step 2: Then multiply all the prime factors GCF(10, 78, 40, 660) = 2.