2013 Feb 5, 11:23
In JavaScript numbers are 64bit floating point numbers which have 53 bits of mantissa. That means you can accurately represent [-2^53, 2^53] as integers in JavaScript. Aka [-9007199254740992,
9007199254740992].

javascript math integer technical programming 2008 Mar 12, 1:57How to test if an integer is divisible by 2, 5, 3, 7, or 11. I knew about testing for divisibility by 3 but not why it worked.

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