Greatest Common Factor of 98, 87, 65, 521

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

• Greatest Common Factor of 98, 87, 65, 521 by common division method
• Greatest Common Factor of 98, 87, 65, 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

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 98,87,65,521 . The biggest common factor number is the GCF number.
So the greatest common factor 98,87,65,521 is 1.

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

• GCF of 28, 88, 55, 493
• GCF of 12, 66, 89, 239
• GCF of 82, 79, 67, 541
• GCF of 10, 18, 93, 331
• GCF of 25, 16, 34, 692

1. What is the GCF of 98, 87, 65, 521?

Answer: GCF of 98, 87, 65, 521 is 1.

2. How to Find the GCF of 98, 87, 65, 521

Answer: Greatest Common Factor(GCF) of 98, 87, 65, 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, 87, 65, 521) = 1.