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Unique semiprime number (Posted on 2010-04-17)

What 3-digit number, a product of two distinct 2-digit primes has its digits (none of them being prime) in strictly ascending order ?

See The Solution Submitted by Ady TZIDON

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re: Solution- a tiny remark

| Comment 2 of 3 |

(In reply to Solution by hoodat)

Your solution is OK , but allow me a little remark:

"169 = 13², so it's prime divisors are not unique...."

I believe you meant DISTINCT, not unique.

Ady

Posted by Ady TZIDON on 2010-04-17 17:05:37

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