Greatest Common Factor of 390, 620, 784

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

• Greatest Common Factor of 390, 620, 784 by common division method
• Greatest Common Factor of 390, 620, 784 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

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 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 784

List of positive integer factors of 784 that divides 784 without a remainder.

1,2,4,7,8,14,16,28,49,56,98,112,196,392,784

Greatest Common Factor

We found the factors 390,620,784 . The biggest common factor number is the GCF number.
So the greatest common factor 390,620,784 is 2.

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

• GCF of 323, 774, 619
• GCF of 817, 978, 893
• GCF of 488, 880, 625
• GCF of 389, 518, 460
• GCF of 430, 397, 739

1. What is the GCF of 390, 620, 784?

Answer: GCF of 390, 620, 784 is 2.

2. How to Find the GCF of 390, 620, 784

Answer: Greatest Common Factor(GCF) of 390, 620, 784 = 2

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

Step 2: Then multiply all the prime factors GCF(390, 620, 784) = 2.