Python Math: Find the smallest multiple of the first n numbers
Python Math: Exercise-10 with Solution
Write a Python program to find the smallest multiple of the first n numbers. Also, display the factors.
Sample Solution:-
Python Code:
def smallest_multiple(n):
if (n<=2):
return n
i = n * 2
factors = [number for number in range(n, 1, -1) if number * 2 > n]
print(factors)
while True:
for a in factors:
if i % a != 0:
i += n
break
if (a == factors[-1] and i % a == 0):
return i
print(smallest_multiple(13))
print(smallest_multiple(11))
print(smallest_multiple(2))
print(smallest_multiple(1))
Sample Output:
[13, 12, 11, 10, 9, 8, 7] 360360 [11, 10, 9, 8, 7, 6] 27720 2 1
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Previous: Write a Python program to calculate the discriminant value.
Next: Write a Python program to calculate the difference between the squared sum of first n natural numbers and the sum of squared first n natural numbers.(default value of number=2).
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Python: Tips of the Day
Find current directory and file's directory:
To get the full path to the directory a Python file is contained in, write this in that file:
import os dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)
To get the current working directory use
import os cwd = os.getcwd()
Documentation references for the modules, constants and functions used above:
- The os and os.path modules.
- The __file__ constant
- os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
- os.path.dirname(path) (returns "the directory name of pathname path")
- os.getcwd() (returns "a string representing the current working directory")
- os.chdir(path) ("change the current working directory to path")
Ref: https://bit.ly/3fy0R6m
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