Greatest Common Factor of 420, 389, 835

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

• Greatest Common Factor of 420, 389, 835 by common division method
• Greatest Common Factor of 420, 389, 835 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 389

List of positive integer factors of 389 that divides 389 without a remainder.

1,389

Factors of 835

List of positive integer factors of 835 that divides 835 without a remainder.

1,5,167,835

Greatest Common Factor

We found the factors 420,389,835 . The biggest common factor number is the GCF number.
So the greatest common factor 420,389,835 is 1.

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

• GCF of 597, 274, 902
• GCF of 617, 747, 946
• GCF of 372, 196, 580
• GCF of 850, 318, 563
• GCF of 615, 162, 329

1. What is the GCF of 420, 389, 835?

Answer: GCF of 420, 389, 835 is 1.

2. How to Find the GCF of 420, 389, 835

Answer: Greatest Common Factor(GCF) of 420, 389, 835 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 389, 835) = 1.