GCF for 40 and 96

What is the Greatest common Divisor of 40 and 96?

Answer: GCF of 40 and 96 is 8

(Eight)

Finding GCF for 40 and 96 using all factors (divisors) listing

The first method to find GCF for numbers 40 and 96 is to list all factors for both numbers and pick the highest common one:

All factors of 40: 1, 2, 4, 5, 8, 10, 20, 40

All factors of 96: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96

So the Greatest Common Factor for 40 and 96 is 8

Finding GCF for 40 and 96 by Prime Factorization

The second method to find GCF for numbers 40 and 96 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 40: 2, 2, 2, 5

All Prime Factors of 96: 2, 2, 2, 2, 2, 3

As we can see there are Prime Factors common to both numbers: 2, 2, 2

Now we need to multiply them to find GCF: 2 × 2 × 2 = 8

See Also

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 40 and 96? (The answer is: 8). Select the first number (e.g. '40') and the second number (e.g. '96'). 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

GCF Table

Number 1Number 2GCF
25961
26962
27963
28964
29961
3096
31961
3296
33963
34962
35961
3696
37961
38962
39963
4096
41961
4296
43961
44964
45963
46962
47961
4896
49961
50962
51963
52964
53961
5496

FAQ

What is the Greatest common Divisor of 40 and 96?

GCF of 40 and 96 is 8