1000! +1

Is it a prime number?
until 7! most of them are squares. After 7! until 25! no more squares (no will to find divisors).
any suggestions?

>>6
1*2*3*2*2*5*2*3*7*2*2*2*3*3*2*5*.......
Just find the prime factors of every number from 1 to 1000.