Greatest Common Factor of 65, 55, 75, 784

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

• Greatest Common Factor of 65, 55, 75, 784 by common division method
• Greatest Common Factor of 65, 55, 75, 784 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

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 65,55,75,784 . The biggest common factor number is the GCF number.
So the greatest common factor 65,55,75,784 is 1.

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

• GCF of 78, 52, 65, 147
• GCF of 57, 88, 15, 628
• GCF of 59, 79, 51, 598
• GCF of 36, 45, 80, 570
• GCF of 74, 30, 53, 325

1. What is the GCF of 65, 55, 75, 784?

Answer: GCF of 65, 55, 75, 784 is 1.

2. How to Find the GCF of 65, 55, 75, 784

Answer: Greatest Common Factor(GCF) of 65, 55, 75, 784 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 55, 75, 784) = 1.