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2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder.

What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?

In [1]: from math import gcd from functools import reduce lcm = lambda m, n: m * n // gcd(m, n) print(reduce(lcm, range(1, 21)))

from math import gcd from functools import reduce lcm = lambda m, n: m * n // gcd(m, n) print(reduce(lcm, range(1, 21)))

232792560

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