Greatest Common Factor of 690, 385, 68

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

• Greatest Common Factor of 690, 385, 68 by common division method
• Greatest Common Factor of 690, 385, 68 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 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Factors of 385

List of positive integer factors of 385 that divides 385 without a remainder.

1,5,7,11,35,55,77,385

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Greatest Common Factor

We found the factors 690,385,68 . The biggest common factor number is the GCF number.
So the greatest common factor 690,385,68 is 1.

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

• GCF of 166, 140, 17
• GCF of 930, 704, 34
• GCF of 823, 132, 50
• GCF of 817, 885, 12
• GCF of 770, 777, 57

1. What is the GCF of 690, 385, 68?

Answer: GCF of 690, 385, 68 is 1.

2. How to Find the GCF of 690, 385, 68

Answer: Greatest Common Factor(GCF) of 690, 385, 68 = 1

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

Step 2: Then multiply all the prime factors GCF(690, 385, 68) = 1.