Greatest Common Factor of 15, 80, 85, 31, 238

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

• Greatest Common Factor of 15, 80, 85, 31, 238 by common division method
• Greatest Common Factor of 15, 80, 85, 31, 238 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 238

List of positive integer factors of 238 that divides 238 without a remainder.

1,2,7,14,17,34,119,238

Greatest Common Factor

We found the factors 15,80,85,31,238 . The biggest common factor number is the GCF number.
So the greatest common factor 15,80,85,31,238 is 1.

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

• GCF of 31, 38, 49, 76, 987
• GCF of 87, 25, 13, 20, 265
• GCF of 54, 44, 61, 62, 947
• GCF of 19, 12, 16, 26, 429
• GCF of 77, 97, 76, 60, 519

1. What is the GCF of 15, 80, 85, 31, 238?

Answer: GCF of 15, 80, 85, 31, 238 is 1.

2. How to Find the GCF of 15, 80, 85, 31, 238

Answer: Greatest Common Factor(GCF) of 15, 80, 85, 31, 238 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 80, 85, 31, 238) = 1.