Greatest Common Factor of 42, 90, 555, 998

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

• Greatest Common Factor of 42, 90, 555, 998 by common division method
• Greatest Common Factor of 42, 90, 555, 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 42

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

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

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 555

List of positive integer factors of 555 that divides 555 without a remainder.

1,3,5,15,37,111,185,555

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 42,90,555,998 . The biggest common factor number is the GCF number.
So the greatest common factor 42,90,555,998 is 1.

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

• GCF of 16, 27, 744, 466
• GCF of 55, 39, 972, 650
• GCF of 96, 16, 265, 524
• GCF of 59, 19, 627, 220
• GCF of 62, 25, 756, 299

1. What is the GCF of 42, 90, 555, 998?

Answer: GCF of 42, 90, 555, 998 is 1.

2. How to Find the GCF of 42, 90, 555, 998

Answer: Greatest Common Factor(GCF) of 42, 90, 555, 998 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 90, 555, 998) = 1.