Greatest Common Factor of 20, 370, 221

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

• Greatest Common Factor of 20, 370, 221 by common division method
• Greatest Common Factor of 20, 370, 221 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 370

List of positive integer factors of 370 that divides 370 without a remainder.

1,2,5,10,37,74,185,370

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

Greatest Common Factor

We found the factors 20,370,221 . The biggest common factor number is the GCF number.
So the greatest common factor 20,370,221 is 1.

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

• GCF of 12, 809, 260
• GCF of 17, 631, 629
• GCF of 45, 696, 101
• GCF of 24, 719, 399
• GCF of 52, 530, 668

1. What is the GCF of 20, 370, 221?

Answer: GCF of 20, 370, 221 is 1.

2. How to Find the GCF of 20, 370, 221

Answer: Greatest Common Factor(GCF) of 20, 370, 221 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 370, 221) = 1.