Divisor 25
- Prime Number:
- No
Test for Divisibility by 25
To determine if any number is divisible by 25, apply this test:
- Ignore everything except the 2 right-most digits. Every larger digit than these is irrelevant because 102 is divisible by 25.
- The number should now be small enough to be able to deduce divisibility by 25 with basic application of your 25-times tables!
Easy!