Greatest Common Factor of 391, 99, 520, 240

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

• Greatest Common Factor of 391, 99, 520, 240 by common division method
• Greatest Common Factor of 391, 99, 520, 240 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 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 520

List of positive integer factors of 520 that divides 520 without a remainder.

1,2,4,5,8,10,13,20,26,40,52,65,104,130,260,520

Factors of 240

List of positive integer factors of 240 that divides 240 without a remainder.

1,2,3,4,5,6,8,10,12,15,16,20,24,30,40,48,60,80,120,240

Greatest Common Factor

We found the factors 391,99,520,240 . The biggest common factor number is the GCF number.
So the greatest common factor 391,99,520,240 is 1.

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

• GCF of 332, 35, 786, 617
• GCF of 897, 13, 911, 407
• GCF of 509, 80, 292, 139
• GCF of 674, 37, 561, 436
• GCF of 326, 96, 481, 968

1. What is the GCF of 391, 99, 520, 240?

Answer: GCF of 391, 99, 520, 240 is 1.

2. How to Find the GCF of 391, 99, 520, 240

Answer: Greatest Common Factor(GCF) of 391, 99, 520, 240 = 1

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

Step 2: Then multiply all the prime factors GCF(391, 99, 520, 240) = 1.