Greatest Common Factor of 784, 688, 30

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

• Greatest Common Factor of 784, 688, 30 by common division method
• Greatest Common Factor of 784, 688, 30 with matching the biggest common factor

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

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

Factors of 688

List of positive integer factors of 688 that divides 688 without a remainder.

1,2,4,8,16,43,86,172,344,688

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Greatest Common Factor

We found the factors 784,688,30 . The biggest common factor number is the GCF number.
So the greatest common factor 784,688,30 is 2.

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

• GCF of 763, 339, 86
• GCF of 502, 216, 50
• GCF of 107, 519, 68
• GCF of 785, 884, 73
• GCF of 182, 111, 85

1. What is the GCF of 784, 688, 30?

Answer: GCF of 784, 688, 30 is 2.

2. How to Find the GCF of 784, 688, 30

Answer: Greatest Common Factor(GCF) of 784, 688, 30 = 2

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

Step 2: Then multiply all the prime factors GCF(784, 688, 30) = 2.