Greatest Common Factor of 68, 69, 20, 693

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

• Greatest Common Factor of 68, 69, 20, 693 by common division method
• Greatest Common Factor of 68, 69, 20, 693 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 68

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

1,2,4,17,34,68

Factors of 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 693

List of positive integer factors of 693 that divides 693 without a remainder.

1,3,7,9,11,21,33,63,77,99,231,693

Greatest Common Factor

We found the factors 68,69,20,693 . The biggest common factor number is the GCF number.
So the greatest common factor 68,69,20,693 is 1.

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

• GCF of 74, 59, 29, 550
• GCF of 76, 24, 86, 327
• GCF of 12, 60, 18, 102
• GCF of 15, 19, 57, 198
• GCF of 86, 74, 64, 765

1. What is the GCF of 68, 69, 20, 693?

Answer: GCF of 68, 69, 20, 693 is 1.

2. How to Find the GCF of 68, 69, 20, 693

Answer: Greatest Common Factor(GCF) of 68, 69, 20, 693 = 1

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

Step 2: Then multiply all the prime factors GCF(68, 69, 20, 693) = 1.