Greatest Common Factor of 620, 399, 684, 355

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

• Greatest Common Factor of 620, 399, 684, 355 by common division method
• Greatest Common Factor of 620, 399, 684, 355 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 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 684

List of positive integer factors of 684 that divides 684 without a remainder.

1,2,3,4,6,9,12,18,19,36,38,57,76,114,171,228,342,684

Factors of 355

List of positive integer factors of 355 that divides 355 without a remainder.

1,5,71,355

Greatest Common Factor

We found the factors 620,399,684,355 . The biggest common factor number is the GCF number.
So the greatest common factor 620,399,684,355 is 1.

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

• GCF of 946, 864, 528, 235
• GCF of 287, 114, 248, 656
• GCF of 305, 247, 537, 445
• GCF of 404, 667, 747, 524
• GCF of 933, 362, 503, 568

1. What is the GCF of 620, 399, 684, 355?

Answer: GCF of 620, 399, 684, 355 is 1.

2. How to Find the GCF of 620, 399, 684, 355

Answer: Greatest Common Factor(GCF) of 620, 399, 684, 355 = 1

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

Step 2: Then multiply all the prime factors GCF(620, 399, 684, 355) = 1.