Greatest Common Factor of 428, 109, 690

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

• Greatest Common Factor of 428, 109, 690 by common division method
• Greatest Common Factor of 428, 109, 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 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

Factors of 109

List of positive integer factors of 109 that divides 109 without a remainder.

1,109

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 428,109,690 . The biggest common factor number is the GCF number.
So the greatest common factor 428,109,690 is 1.

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

• GCF of 120, 807, 413
• GCF of 932, 988, 712
• GCF of 272, 980, 912
• GCF of 600, 996, 749
• GCF of 132, 557, 419

1. What is the GCF of 428, 109, 690?

Answer: GCF of 428, 109, 690 is 1.

2. How to Find the GCF of 428, 109, 690

Answer: Greatest Common Factor(GCF) of 428, 109, 690 = 1

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

Step 2: Then multiply all the prime factors GCF(428, 109, 690) = 1.