Greatest Common Factor of 98, 45, 42, 978

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

• Greatest Common Factor of 98, 45, 42, 978 by common division method
• Greatest Common Factor of 98, 45, 42, 978 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 98

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

1,2,7,14,49,98

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

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 978

List of positive integer factors of 978 that divides 978 without a remainder.

1,2,3,6,163,326,489,978

Greatest Common Factor

We found the factors 98,45,42,978 . The biggest common factor number is the GCF number.
So the greatest common factor 98,45,42,978 is 1.

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

• GCF of 63, 98, 33, 319
• GCF of 66, 85, 80, 478
• GCF of 43, 97, 29, 296
• GCF of 74, 88, 45, 557
• GCF of 50, 88, 22, 281

1. What is the GCF of 98, 45, 42, 978?

Answer: GCF of 98, 45, 42, 978 is 1.

2. How to Find the GCF of 98, 45, 42, 978

Answer: Greatest Common Factor(GCF) of 98, 45, 42, 978 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 45, 42, 978) = 1.