3 ms·
What tripped me up for a second is that primes don't have to be distinct. So 4 is sum of 2 + 2 and 6 is sum of 3 + 3.
by TrainedMonkey 7y ago
What tripped me up for a second is that primes don't have to be distinct. So 4 is sum of 2 + 2 and 6 is sum of 3 + 3.