Greatest Common Factor of 420, 349, 161

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

• Greatest Common Factor of 420, 349, 161 by common division method
• Greatest Common Factor of 420, 349, 161 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 349

List of positive integer factors of 349 that divides 349 without a remainder.

1,349

Factors of 161

List of positive integer factors of 161 that divides 161 without a remainder.

1,7,23,161

Greatest Common Factor

We found the factors 420,349,161 . The biggest common factor number is the GCF number.
So the greatest common factor 420,349,161 is 1.

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

• GCF of 847, 436, 965
• GCF of 769, 853, 453
• GCF of 202, 860, 681
• GCF of 278, 490, 658
• GCF of 789, 448, 586

1. What is the GCF of 420, 349, 161?

Answer: GCF of 420, 349, 161 is 1.

2. How to Find the GCF of 420, 349, 161

Answer: Greatest Common Factor(GCF) of 420, 349, 161 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 349, 161) = 1.