Kiwifruit industry in New Zealand Kiwifruit industry in New Zealand Kiwifruit or kiwi is a major horticultural export earner for New Zealand. New Zealand developed the first commercially viable kiwifruit and developed export markets, creating the demand for the fruit that exists today. Today New Zealand is the third largest kiwifruit producing country, next to China and Italy, and holds approximately 30% of the market share. In the 2008-2009 season the value of New Zealand kiwifruit exports was NZ$1.45 billion. Cultivation of the fuzzy kiwifruit spread from China in the early 20th century, when seeds were introduced to New Zealand by Mary Isabel Fraser, the
Largest known prime number Largest known prime number The largest known prime number () is 2 − 1, a number with 23,249,425 digits. It was found by the Great Internet Mersenne Prime Search (GIMPS) in 2017. Euclid proved that there is no largest prime number, and many mathematicians and hobbyists continue to search for large prime numbers. Many of the largest known primes are Mersenne primes. , the seven largest known primes are Mersenne primes. The last sixteen record primes were Mersenne primes. The fast Fourier transform implementation of the Lucas–Lehmer primality test for Mersenne numbers is fast compared to other known primality tests