Greatest Common Factor of 393, 249, 221

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

• Greatest Common Factor of 393, 249, 221 by common division method
• Greatest Common Factor of 393, 249, 221 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 393

List of positive integer factors of 393 that divides 393 without a remainder.

1,3,131,393

Factors of 249

List of positive integer factors of 249 that divides 249 without a remainder.

1,3,83,249

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 393,249,221 . The biggest common factor number is the GCF number.
So the greatest common factor 393,249,221 is 1.

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

• GCF of 108, 601, 634
• GCF of 182, 234, 457
• GCF of 247, 830, 122
• GCF of 524, 783, 923
• GCF of 428, 971, 409

1. What is the GCF of 393, 249, 221?

Answer: GCF of 393, 249, 221 is 1.

2. How to Find the GCF of 393, 249, 221

Answer: Greatest Common Factor(GCF) of 393, 249, 221 = 1

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

Step 2: Then multiply all the prime factors GCF(393, 249, 221) = 1.