Greatest Common Factor of 45, 39, 98, 820

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

• Greatest Common Factor of 45, 39, 98, 820 by common division method
• Greatest Common Factor of 45, 39, 98, 820 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 98

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

1,2,7,14,49,98

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Greatest Common Factor

We found the factors 45,39,98,820 . The biggest common factor number is the GCF number.
So the greatest common factor 45,39,98,820 is 1.

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

• GCF of 94, 51, 86, 343
• GCF of 71, 30, 17, 268
• GCF of 55, 95, 99, 542
• GCF of 12, 97, 72, 236
• GCF of 50, 93, 47, 585

1. What is the GCF of 45, 39, 98, 820?

Answer: GCF of 45, 39, 98, 820 is 1.

2. How to Find the GCF of 45, 39, 98, 820

Answer: Greatest Common Factor(GCF) of 45, 39, 98, 820 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 39, 98, 820) = 1.