Greatest Common Factor of 45, 80, 98, 142

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

• Greatest Common Factor of 45, 80, 98, 142 by common division method
• Greatest Common Factor of 45, 80, 98, 142 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 45

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

1,3,5,9,15,45

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 98

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

1,2,7,14,49,98

Factors of 142

List of positive integer factors of 142 that divides 142 without a remainder.

1,2,71,142

Greatest Common Factor

We found the factors 45,80,98,142 . The biggest common factor number is the GCF number.
So the greatest common factor 45,80,98,142 is 1.

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

• GCF of 22, 63, 20, 944
• GCF of 56, 70, 86, 140
• GCF of 42, 68, 88, 767
• GCF of 22, 41, 69, 956
• GCF of 67, 27, 18, 389

1. What is the GCF of 45, 80, 98, 142?

Answer: GCF of 45, 80, 98, 142 is 1.

2. How to Find the GCF of 45, 80, 98, 142

Answer: Greatest Common Factor(GCF) of 45, 80, 98, 142 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 80, 98, 142) = 1.