Greatest Common Factor of 42, 28, 63, 488

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

• Greatest Common Factor of 42, 28, 63, 488 by common division method
• Greatest Common Factor of 42, 28, 63, 488 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 488

List of positive integer factors of 488 that divides 488 without a remainder.

1,2,4,8,61,122,244,488

Greatest Common Factor

We found the factors 42,28,63,488 . The biggest common factor number is the GCF number.
So the greatest common factor 42,28,63,488 is 1.

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

• GCF of 49, 48, 77, 993
• GCF of 33, 57, 98, 368
• GCF of 15, 52, 35, 369
• GCF of 21, 30, 87, 387
• GCF of 60, 87, 72, 342

1. What is the GCF of 42, 28, 63, 488?

Answer: GCF of 42, 28, 63, 488 is 1.

2. How to Find the GCF of 42, 28, 63, 488

Answer: Greatest Common Factor(GCF) of 42, 28, 63, 488 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 28, 63, 488) = 1.