GCF for 30 and 895

What is the Greatest Common Factor of 30 and 895?

Answer: GCF of 30 and 895 is 5

(Five)

Finding GCF for 30 and 895 using all factors (divisors) listing

The first method to find GCF for numbers 30 and 895 is to list all factors for both numbers and pick the highest common one:

All factors of 30: 1, 2, 3, 5, 6, 10, 15, 30

All factors of 895: 1, 5, 179, 895

So the Greatest Common Factor for 30 and 895 is 5

Finding GCF for 30 and 895 by Prime Factorization

The second method to find GCF for numbers 30 and 895 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 30: 2, 3, 5

All Prime Factors of 895: 5, 179

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 30 and 895

GCF Table

Number 1Number 2GCF
158955
168951
178951
188951
198951
208955
218951
228951
238951
248951
258955
268951
278951
288951
298951
308955
318951
328951
338951
348951
358955
368951
378951
388951
398951
408955
418951
428951
438951
448951

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 Factor of 30 and 895? (The answer is: 5). Select the first number (e.g. '30') and the second number (e.g. '895'). 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 Factor of 30 and 895?

GCF of 30 and 895 is 5