GCF for 40 and 63

What is the Greatest common Divisor of 40 and 63?

Answer: GCF of 40 and 63 is 1

(One)

Finding GCF for 40 and 63 using all factors (divisors) listing

The first method to find GCF for numbers 40 and 63 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 63: 1, 3, 7, 9, 21, 63

So the Greatest Common Factor for 40 and 63 is 1

Finding GCF for 40 and 63 by Prime Factorization

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 63? (The answer is: 1). Select the first number (e.g. '40') and the second number (e.g. '63'). 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
25631
26631
2763
2863
29631
30633
31631
32631
33633
34631
3563
3663
37631
38631
39633
4063
41631
4263
43631
44631
4563
46631
47631
48633
4963
50631
51633
52631
53631
5463

FAQ

What is the Greatest common Divisor of 40 and 63?

GCF of 40 and 63 is 1