Greatest Common Factor of 42, 68, 75, 98

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

• Greatest Common Factor of 42, 68, 75, 98 by common division method
• Greatest Common Factor of 42, 68, 75, 98 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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Factors of 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Greatest Common Factor

We found the factors 42,68,75,98 . The biggest common factor number is the GCF number.
So the greatest common factor 42,68,75,98 is 1.

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

• GCF of 18, 31, 94, 44
• GCF of 19, 70, 33, 50
• GCF of 29, 52, 61, 46
• GCF of 20, 69, 42, 41
• GCF of 98, 49, 84, 49

1. What is the GCF of 42, 68, 75, 98?

Answer: GCF of 42, 68, 75, 98 is 1.

2. How to Find the GCF of 42, 68, 75, 98

Answer: Greatest Common Factor(GCF) of 42, 68, 75, 98 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 68, 75, 98) = 1.