Greatest Common Factor of 15, 98, 72, 641

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

• Greatest Common Factor of 15, 98, 72, 641 by common division method
• Greatest Common Factor of 15, 98, 72, 641 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 98

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

1,2,7,14,49,98

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 641

List of positive integer factors of 641 that divides 641 without a remainder.

1,641

Greatest Common Factor

We found the factors 15,98,72,641 . The biggest common factor number is the GCF number.
So the greatest common factor 15,98,72,641 is 1.

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

• GCF of 65, 50, 69, 442
• GCF of 91, 58, 77, 363
• GCF of 48, 81, 96, 824
• GCF of 20, 21, 42, 849
• GCF of 20, 39, 70, 290

1. What is the GCF of 15, 98, 72, 641?

Answer: GCF of 15, 98, 72, 641 is 1.

2. How to Find the GCF of 15, 98, 72, 641

Answer: Greatest Common Factor(GCF) of 15, 98, 72, 641 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 98, 72, 641) = 1.