Greatest Common Factor of 420, 545, 797, 288, 428

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

• Greatest Common Factor of 420, 545, 797, 288, 428 by common division method
• Greatest Common Factor of 420, 545, 797, 288, 428 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 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 545

List of positive integer factors of 545 that divides 545 without a remainder.

1,5,109,545

Factors of 797

List of positive integer factors of 797 that divides 797 without a remainder.

1,797

Factors of 288

List of positive integer factors of 288 that divides 288 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,32,36,48,72,96,144,288

Factors of 428

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

1,2,4,107,214,428

Greatest Common Factor

We found the factors 420,545,797,288,428 . The biggest common factor number is the GCF number.
So the greatest common factor 420,545,797,288,428 is 1.

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

• GCF of 826, 714, 445, 221, 699
• GCF of 723, 954, 574, 449, 649
• GCF of 577, 363, 285, 657, 759
• GCF of 486, 752, 906, 373, 229
• GCF of 472, 507, 659, 809, 835

1. What is the GCF of 420, 545, 797, 288, 428?

Answer: GCF of 420, 545, 797, 288, 428 is 1.

2. How to Find the GCF of 420, 545, 797, 288, 428

Answer: Greatest Common Factor(GCF) of 420, 545, 797, 288, 428 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 545, 797, 288, 428) = 1.