Prime products
What are the three different digits that, whichever order you write them down in, form a three-digit integer that is not itself prime but is the product of two primes?
WIN £15 will be awarded to the sender of the first correct answer opened on Wednesday 5 August. The Editor’s decision is final. Please send entries to Enigma 1552, New Scientist, Lacon House, 84 Theobald’s Road, London WC1X 8NS, or to enigma@newscientist.com (please include your postal address).
Answer to 1546 Mini-tangram: The area is 38.5 square centimetres
The winner Narayan Ramanathan of Ahmadi, Kuwait
