Greatest Common Factor of 177, 21, 42

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

• Greatest Common Factor of 177, 21, 42 by common division method
• Greatest Common Factor of 177, 21, 42 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

Factors of 177

List of positive integer factors of 177 that divides 177 without a remainder.

1,3,59,177

Factors of 21

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

1,3,7,21

Factors of 42

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

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

Greatest Common Factor

We found the factors 177,21,42 . The biggest common factor number is the GCF number.
So the greatest common factor 177,21,42 is 3.

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

• GCF of 442, 12, 98
• GCF of 590, 55, 99
• GCF of 144, 79, 63
• GCF of 447, 47, 59
• GCF of 639, 86, 61

1. What is the GCF of 177, 21, 42?

Answer: GCF of 177, 21, 42 is 3.

2. How to Find the GCF of 177, 21, 42

Answer: Greatest Common Factor(GCF) of 177, 21, 42 = 3

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

Step 2: Then multiply all the prime factors GCF(177, 21, 42) = 3.