GCF for 55 and 4000

What is the Greatest common Divisor of 55 and 4000?

Answer: GCF of 55 and 4000 is 5

(Five)

Finding GCF for 55 and 4000 using all factors (divisors) listing

The first method to find GCF for numbers 55 and 4000 is to list all factors for both numbers and pick the highest common one:

All factors of 55: 1, 5, 11, 55

All factors of 4000: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000

So the Greatest Common Factor for 55 and 4000 is 5

Finding GCF for 55 and 4000 by Prime Factorization

The second method to find GCF for numbers 55 and 4000 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 55: 5, 11

All Prime Factors of 4000: 2, 2, 2, 2, 2, 5, 5, 5

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 55 and 4000

See Also

GCF Table

Number 1Number 2GCF
40400040
4140001
4240002
4340001
4440004
4540005
4640002
4740001
48400016
4940001
50400050
5140001
5240004
5340001
5440002
554000
5640008
5740001
5840002
5940001
60400020
6140001
6240002
6340001
64400032
6540005
6640002
6740001
6840004
6940001

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 55 and 4000? (The answer is: 5). Select the first number (e.g. '55') and the second number (e.g. '4000'). 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 55 and 4000?

GCF of 55 and 4000 is 5