Solve that number

Number Theory Level 2

What is the smallest positive integer that is divisible by 1,2,3,4,5,6,7,8,9,10?


The answer is 2520.

Xi Huang by Xi Huang , 23, USA

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3 solutions

Nadia García
Apr 23, 2015

Find the minimum common multiple of all the numbers by finding common factors.

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Mayank Gupta
Apr 18, 2015

do the prime factorisation of all the numbers and multiply the prime numbers <factors>.

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Vaibhav Chandan
May 26, 2015

Find the L.C.M. (least common multiple) of the numbers.

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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