Greatest Common Factor of 63, 86, 15, 98

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

• Greatest Common Factor of 63, 86, 15, 98 by common division method
• Greatest Common Factor of 63, 86, 15, 98 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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

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

Greatest Common Factor

We found the factors 63,86,15,98 . The biggest common factor number is the GCF number.
So the greatest common factor 63,86,15,98 is 1.

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

• GCF of 98, 20, 55, 16
• GCF of 56, 97, 82, 31
• GCF of 37, 29, 37, 71
• GCF of 46, 35, 22, 38
• GCF of 33, 80, 55, 53

1. What is the GCF of 63, 86, 15, 98?

Answer: GCF of 63, 86, 15, 98 is 1.

2. How to Find the GCF of 63, 86, 15, 98

Answer: Greatest Common Factor(GCF) of 63, 86, 15, 98 = 1

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

Step 2: Then multiply all the prime factors GCF(63, 86, 15, 98) = 1.