Greatest Common Factor of 78, 20, 251

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

• Greatest Common Factor of 78, 20, 251 by common division method
• Greatest Common Factor of 78, 20, 251 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 78

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

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

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 251

List of positive integer factors of 251 that divides 251 without a remainder.

1,251

Greatest Common Factor

We found the factors 78,20,251 . The biggest common factor number is the GCF number.
So the greatest common factor 78,20,251 is 1.

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

• GCF of 69, 90, 664
• GCF of 12, 51, 305
• GCF of 36, 64, 397
• GCF of 85, 86, 118
• GCF of 92, 62, 407

1. What is the GCF of 78, 20, 251?

Answer: GCF of 78, 20, 251 is 1.

2. How to Find the GCF of 78, 20, 251

Answer: Greatest Common Factor(GCF) of 78, 20, 251 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 20, 251) = 1.