Divisor 18739

To determine if any number is divisible by 18739, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 7 and 2677 - then it is divisible by 18739.

The following tests must pass:

• Test if a number is divisible by 7
• The "Adam 'RDL' Taylor Test" for Divisibility by 2677

Easy!