Greatest Common Factor of 80, 42, 98, 623

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

• Greatest Common Factor of 80, 42, 98, 623 by common division method
• Greatest Common Factor of 80, 42, 98, 623 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 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 42

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

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

Factors of 98

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

1,2,7,14,49,98

Factors of 623

List of positive integer factors of 623 that divides 623 without a remainder.

1,7,89,623

Greatest Common Factor

We found the factors 80,42,98,623 . The biggest common factor number is the GCF number.
So the greatest common factor 80,42,98,623 is 1.

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

• GCF of 74, 54, 24, 297
• GCF of 22, 62, 39, 276
• GCF of 72, 57, 98, 609
• GCF of 68, 26, 76, 534
• GCF of 35, 91, 41, 476

1. What is the GCF of 80, 42, 98, 623?

Answer: GCF of 80, 42, 98, 623 is 1.

2. How to Find the GCF of 80, 42, 98, 623

Answer: Greatest Common Factor(GCF) of 80, 42, 98, 623 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 42, 98, 623) = 1.