Greatest Common Factor of 68, 42, 178, 155

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

• Greatest Common Factor of 68, 42, 178, 155 by common division method
• Greatest Common Factor of 68, 42, 178, 155 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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 178

List of positive integer factors of 178 that divides 178 without a remainder.

1,2,89,178

Factors of 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Greatest Common Factor

We found the factors 68,42,178,155 . The biggest common factor number is the GCF number.
So the greatest common factor 68,42,178,155 is 1.

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

• GCF of 64, 97, 728, 376
• GCF of 59, 83, 739, 314
• GCF of 57, 91, 994, 274
• GCF of 36, 15, 438, 170
• GCF of 38, 44, 108, 853

1. What is the GCF of 68, 42, 178, 155?

Answer: GCF of 68, 42, 178, 155 is 1.

2. How to Find the GCF of 68, 42, 178, 155

Answer: Greatest Common Factor(GCF) of 68, 42, 178, 155 = 1

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

Step 2: Then multiply all the prime factors GCF(68, 42, 178, 155) = 1.