Greatest Common Factor of 55, 15, 77, 172

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

• Greatest Common Factor of 55, 15, 77, 172 by common division method
• Greatest Common Factor of 55, 15, 77, 172 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 15

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

1,3,5,15

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

Greatest Common Factor

We found the factors 55,15,77,172 . The biggest common factor number is the GCF number.
So the greatest common factor 55,15,77,172 is 1.

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

• GCF of 16, 47, 47, 666
• GCF of 91, 89, 47, 109
• GCF of 51, 26, 15, 799
• GCF of 76, 94, 92, 412
• GCF of 75, 25, 84, 696

1. What is the GCF of 55, 15, 77, 172?

Answer: GCF of 55, 15, 77, 172 is 1.

2. How to Find the GCF of 55, 15, 77, 172

Answer: Greatest Common Factor(GCF) of 55, 15, 77, 172 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 15, 77, 172) = 1.