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Dressed up to the nines

Hepta wrote down a three-digit number, Otto wrote down a larger number and Nonno wrote down a larger number still.

Hepta’s equalled 7 times a prime, Otto’s equalled 8 times another prime, and Nonno’s equalled 9 times another prime.

Between them, the three numbers used each of the digits 1-9 exactly once.

Furthermore, multiplying the three numbers together gave an answer which also used each of the digits 1-9 exactly once.

What were their numbers?

WIN £15 will be awarded to the sender of the first correct answer opened on Wednesday 17 June. The Editor’s decision is final. Please send entries to Enigma 1545, New Å®ÉúСÊÓƵ, Lacon House, 84 Theobald’s Road, London WC1X 8NS, or to enigma@newscientist.com (please include your postal address).

Answer to 1539 Board with primes?: The total is 449

The winner George Bruce of Edinburgh, UK