Greatest Common Factor of 221, 603, 18

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

• Greatest Common Factor of 221, 603, 18 by common division method
• Greatest Common Factor of 221, 603, 18 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 221

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

1,13,17,221

Factors of 603

List of positive integer factors of 603 that divides 603 without a remainder.

1,3,9,67,201,603

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 221,603,18 . The biggest common factor number is the GCF number.
So the greatest common factor 221,603,18 is 1.

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

• GCF of 166, 869, 48
• GCF of 365, 457, 64
• GCF of 234, 233, 56
• GCF of 710, 453, 64
• GCF of 145, 421, 51

1. What is the GCF of 221, 603, 18?

Answer: GCF of 221, 603, 18 is 1.

2. How to Find the GCF of 221, 603, 18

Answer: Greatest Common Factor(GCF) of 221, 603, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(221, 603, 18) = 1.