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.
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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 ÐÓ°ÉÔ´´, 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