Greatest Common Factor of 420, 428, 347

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

• Greatest Common Factor of 420, 428, 347 by common division method
• Greatest Common Factor of 420, 428, 347 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 428

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

1,2,4,107,214,428

Factors of 347

List of positive integer factors of 347 that divides 347 without a remainder.

1,347

Greatest Common Factor

We found the factors 420,428,347 . The biggest common factor number is the GCF number.
So the greatest common factor 420,428,347 is 1.

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

• GCF of 698, 674, 374
• GCF of 628, 838, 688
• GCF of 411, 315, 972
• GCF of 433, 754, 619
• GCF of 498, 727, 493

1. What is the GCF of 420, 428, 347?

Answer: GCF of 420, 428, 347 is 1.

2. How to Find the GCF of 420, 428, 347

Answer: Greatest Common Factor(GCF) of 420, 428, 347 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 428, 347) = 1.