Greatest Common Factor of 30, 13, 98, 642

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

• Greatest Common Factor of 30, 13, 98, 642 by common division method
• Greatest Common Factor of 30, 13, 98, 642 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 98

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

1,2,7,14,49,98

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Greatest Common Factor

We found the factors 30,13,98,642 . The biggest common factor number is the GCF number.
So the greatest common factor 30,13,98,642 is 1.

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

• GCF of 88, 15, 72, 818
• GCF of 97, 98, 18, 507
• GCF of 21, 83, 22, 297
• GCF of 48, 91, 37, 952
• GCF of 82, 64, 76, 729

1. What is the GCF of 30, 13, 98, 642?

Answer: GCF of 30, 13, 98, 642 is 1.

2. How to Find the GCF of 30, 13, 98, 642

Answer: Greatest Common Factor(GCF) of 30, 13, 98, 642 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 13, 98, 642) = 1.