Greatest Common Factor of 42, 397, 480

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

• Greatest Common Factor of 42, 397, 480 by common division method
• Greatest Common Factor of 42, 397, 480 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Factors of 480

List of positive integer factors of 480 that divides 480 without a remainder.

1,2,3,4,5,6,8,10,12,15,16,20,24,30,32,40,48,60,80,96,120,160,240,480

Greatest Common Factor

We found the factors 42,397,480 . The biggest common factor number is the GCF number.
So the greatest common factor 42,397,480 is 1.

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

• GCF of 61, 377, 242
• GCF of 76, 295, 508
• GCF of 49, 944, 689
• GCF of 94, 781, 300
• GCF of 29, 297, 685

1. What is the GCF of 42, 397, 480?

Answer: GCF of 42, 397, 480 is 1.

2. How to Find the GCF of 42, 397, 480

Answer: Greatest Common Factor(GCF) of 42, 397, 480 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 397, 480) = 1.