Greatest Common Factor of 210, 161, 28

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

• Greatest Common Factor of 210, 161, 28 by common division method
• Greatest Common Factor of 210, 161, 28 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 7 = 7

Factors of 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Factors of 161

List of positive integer factors of 161 that divides 161 without a remainder.

1,7,23,161

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Greatest Common Factor

We found the factors 210,161,28 . The biggest common factor number is the GCF number.
So the greatest common factor 210,161,28 is 7.

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

• GCF of 449, 837, 44
• GCF of 660, 341, 25
• GCF of 922, 783, 35
• GCF of 662, 523, 65
• GCF of 673, 691, 82

1. What is the GCF of 210, 161, 28?

Answer: GCF of 210, 161, 28 is 7.

2. How to Find the GCF of 210, 161, 28

Answer: Greatest Common Factor(GCF) of 210, 161, 28 = 7

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

Step 2: Then multiply all the prime factors GCF(210, 161, 28) = 7.