Divisor 19990
- Prime Number:
- No
Test for Divisibility by 19990
To determine if any number is divisible by 19990, you must apply 3 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 5 and 1999 - then it is divisible by 19990.
The following tests must pass:
- Test if a number is divisible by 2
- Test if a number is divisible by 5
- The "Stuart Sewell Test" for Divisibility by 1999
Easy!