Greatest Common Factor of 98, 85, 30, 521

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

• Greatest Common Factor of 98, 85, 30, 521 by common division method
• Greatest Common Factor of 98, 85, 30, 521 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 521

List of positive integer factors of 521 that divides 521 without a remainder.

1,521

Greatest Common Factor

We found the factors 98,85,30,521 . The biggest common factor number is the GCF number.
So the greatest common factor 98,85,30,521 is 1.

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

• GCF of 75, 55, 44, 556
• GCF of 20, 45, 63, 822
• GCF of 58, 94, 21, 285
• GCF of 75, 82, 65, 885
• GCF of 80, 20, 27, 643

1. What is the GCF of 98, 85, 30, 521?

Answer: GCF of 98, 85, 30, 521 is 1.

2. How to Find the GCF of 98, 85, 30, 521

Answer: Greatest Common Factor(GCF) of 98, 85, 30, 521 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 85, 30, 521) = 1.