Greatest Common Factor of 21, 14, 40, 64, 878

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

• Greatest Common Factor of 21, 14, 40, 64, 878 by common division method
• Greatest Common Factor of 21, 14, 40, 64, 878 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 14

List of positive integer factors of 14 that divides 14 without a remainder.

1,2,7,14

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 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 878

List of positive integer factors of 878 that divides 878 without a remainder.

1,2,439,878

Greatest Common Factor

We found the factors 21,14,40,64,878 . The biggest common factor number is the GCF number.
So the greatest common factor 21,14,40,64,878 is 1.

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

• GCF of 26, 70, 39, 12, 231
• GCF of 86, 77, 42, 50, 387
• GCF of 82, 68, 15, 74, 679
• GCF of 75, 62, 50, 56, 105
• GCF of 91, 44, 39, 78, 753

1. What is the GCF of 21, 14, 40, 64, 878?

Answer: GCF of 21, 14, 40, 64, 878 is 1.

2. How to Find the GCF of 21, 14, 40, 64, 878

Answer: Greatest Common Factor(GCF) of 21, 14, 40, 64, 878 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 14, 40, 64, 878) = 1.