### Brain Teasers

# Prime Date

When was the last time all the digits in the date (dd-mm-yyyy) were a prime number? When will the next one be? Notice that it is simply digits, and not the whole number.

Ignore any leading zeroes.

Ignore any leading zeroes.

### Answer

The last time all the digits in the date (dd-mm-yyyy) were a prime number was on 27-7-777 and the next one will be on 2-2-2222.Note that 1 is not a Prime number. And single digit prime numbers are 2, 3, 5 and 7.

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## Comments

oh.

Good puzzle. It should say "each of the digits was a prime number.."

Eeeeeeeeeeeaaaaaaaaaassssssssssyyyyyyyy

uuuuuummm......... yea thats what i said

Again, you are truly king of the esoteric.

Nice one Mad

That was very nice! I was close to the first one. I got 22-3-777.

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