Greatest Common Factor of 1, 42, 480

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

• Greatest Common Factor of 1, 42, 480 by common division method
• Greatest Common Factor of 1, 42, 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 1

List of positive integer factors of 1 that divides 1 without a remainder.

1

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 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 1,42,480 . The biggest common factor number is the GCF number.
So the greatest common factor 1,42,480 is 1.

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

• GCF of 4, 90, 538
• GCF of 4, 24, 625
• GCF of 9, 98, 874
• GCF of 7, 33, 833
• GCF of 9, 32, 630

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

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

2. How to Find the GCF of 1, 42, 480

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

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

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