def distinctFactors( n ):
"""
>>> from euler47 import distinctFactors
>>> distinctFactors(14)
{2, 7}
>>> distinctFactors(15)
{3, 5}
"""
return set( primeFactors( n ) )
def allTerms(limit):
for a in range(2,limit+1):
f= primeFactors(a)
for b in range(2,limit+1):
yield tuple(sorted(f*b))