Greatest Common Factor of 98, 65, 21, 897

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

• Greatest Common Factor of 98, 65, 21, 897 by common division method
• Greatest Common Factor of 98, 65, 21, 897 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 65

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

1,5,13,65

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 897

List of positive integer factors of 897 that divides 897 without a remainder.

1,3,13,23,39,69,299,897

Greatest Common Factor

We found the factors 98,65,21,897 . The biggest common factor number is the GCF number.
So the greatest common factor 98,65,21,897 is 1.

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

• GCF of 48, 86, 25, 715
• GCF of 30, 99, 23, 331
• GCF of 29, 32, 41, 295
• GCF of 59, 67, 88, 316
• GCF of 63, 25, 31, 263

1. What is the GCF of 98, 65, 21, 897?

Answer: GCF of 98, 65, 21, 897 is 1.

2. How to Find the GCF of 98, 65, 21, 897

Answer: Greatest Common Factor(GCF) of 98, 65, 21, 897 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 65, 21, 897) = 1.