15 lines
396 B
Python
15 lines
396 B
Python
from pyprimes import nprimes
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from functools import reduce
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primelist = list(nprimes(1000001)) # [2, 3, 5, ...]
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def primorial(n):
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return reduce(int.__mul__, primelist[:n], 1)
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if __name__ == '__main__':
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print('First ten primorals:', [primorial(n) for n in range(10)])
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for e in range(7):
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n = 10**e
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print('primorial(%i) has %i digits' % (n, len(str(primorial(n)))))
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