Greatest Common Factor of 12, 28, 699, 690

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

• Greatest Common Factor of 12, 28, 699, 690 by common division method
• Greatest Common Factor of 12, 28, 699, 690 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 699

List of positive integer factors of 699 that divides 699 without a remainder.

1,3,233,699

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

Greatest Common Factor

We found the factors 12,28,699,690 . The biggest common factor number is the GCF number.
So the greatest common factor 12,28,699,690 is 1.

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

• GCF of 87, 42, 709, 985
• GCF of 67, 34, 724, 938
• GCF of 69, 35, 301, 940
• GCF of 13, 25, 698, 531
• GCF of 33, 80, 270, 891

1. What is the GCF of 12, 28, 699, 690?

Answer: GCF of 12, 28, 699, 690 is 1.

2. How to Find the GCF of 12, 28, 699, 690

Answer: Greatest Common Factor(GCF) of 12, 28, 699, 690 = 1

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

Step 2: Then multiply all the prime factors GCF(12, 28, 699, 690) = 1.