Greatest Common Factor of 63, 42, 80, 998

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

• Greatest Common Factor of 63, 42, 80, 998 by common division method
• Greatest Common Factor of 63, 42, 80, 998 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 63

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

1,3,7,9,21,63

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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 998

List of positive integer factors of 998 that divides 998 without a remainder.

1,2,499,998

Greatest Common Factor

We found the factors 63,42,80,998 . The biggest common factor number is the GCF number.
So the greatest common factor 63,42,80,998 is 1.

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

• GCF of 82, 71, 68, 948
• GCF of 61, 12, 42, 859
• GCF of 61, 49, 11, 136
• GCF of 47, 96, 40, 410
• GCF of 60, 60, 81, 746

1. What is the GCF of 63, 42, 80, 998?

Answer: GCF of 63, 42, 80, 998 is 1.

2. How to Find the GCF of 63, 42, 80, 998

Answer: Greatest Common Factor(GCF) of 63, 42, 80, 998 = 1

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

Step 2: Then multiply all the prime factors GCF(63, 42, 80, 998) = 1.