GCF for 100 and 555

What is the Greatest common Divisor of 100 and 555?

Answer: GCF of 100 and 555 is 5

(Five)

Finding GCF for 100 and 555 using all factors (divisors) listing

The first method to find GCF for numbers 100 and 555 is to list all factors for both numbers and pick the highest common one:

All factors of 100: 1, 2, 4, 5, 10, 20, 25, 50, 100

All factors of 555: 1, 3, 5, 15, 37, 111, 185, 555

So the Greatest Common Factor for 100 and 555 is 5

Finding GCF for 100 and 555 by Prime Factorization

The second method to find GCF for numbers 100 and 555 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 100: 2, 2, 5, 5

All Prime Factors of 555: 3, 5, 37

As we can see there is only one Prime Factor common to both numbers. It is 5

So 5 is the Greatest Common Factor of 100 and 555

GCF Table

Number 1Number 2GCF
855555
865551
875553
885551
895551
9055515
915551
925551
935553
945551
955555
965553
975551
985551
995553
1005555
1015551
1025553
1035551
1045551
10555515
1065551
1075551
1085553
1095551
1105555
111555111
1125551
1135551
1145553

About "Greatest Common Factor" Calculator

This calculator will help you find the greatest common factor (GCF) of two numbers. For example, it can help you find out what is the Greatest common Divisor of 100 and 555? (The answer is: 5). Select the first number (e.g. '100') and the second number (e.g. '555'). After that hit the 'Calculate' button.
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder

FAQ

What is the Greatest common Divisor of 100 and 555?

GCF of 100 and 555 is 5