© La Cachouteba A small group of breeders have a different breed each : abyssinian, somali, bengal and norwegian forest cat. All together, these friends have had between 15 and 35 kittens born this year. There has been 4 times as many somalis as bengals, and twice as many abyssinians as norwegian forest cats. All somali kittens have been sold, and as many abyssinians. Our friends then notice that the number of abyssinian kittens not yet adopted is a prime number. How many kitties were born in each breed and how many abys do remain ?

... I'm giving up...