Greatest Common Factor of 390, 231, 491

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

• Greatest Common Factor of 390, 231, 491 by common division method
• Greatest Common Factor of 390, 231, 491 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 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Factors of 231

List of positive integer factors of 231 that divides 231 without a remainder.

1,3,7,11,21,33,77,231

Factors of 491

List of positive integer factors of 491 that divides 491 without a remainder.

1,491

Greatest Common Factor

We found the factors 390,231,491 . The biggest common factor number is the GCF number.
So the greatest common factor 390,231,491 is 1.

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

• GCF of 244, 344, 183
• GCF of 738, 619, 472
• GCF of 888, 598, 449
• GCF of 320, 773, 834
• GCF of 646, 223, 306

1. What is the GCF of 390, 231, 491?

Answer: GCF of 390, 231, 491 is 1.

2. How to Find the GCF of 390, 231, 491

Answer: Greatest Common Factor(GCF) of 390, 231, 491 = 1

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

Step 2: Then multiply all the prime factors GCF(390, 231, 491) = 1.