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## Remarks
## https://en.wikipedia.org/wiki/Home_prime
import math
def IsPrime(nInput):
for nDiv in range(2, int(math.sqrt(nInput)) + 1):
if nInput % nDiv == 0:
return False
return True
def PrimeFact(nOrigInput):
nInput = nOrigInput
arrPrimeFact = []
for nDiv in range(2, nOrigInput):
while nInput % nDiv == 0 and nInput > 0:
nInput = nInput / nDiv
arrPrimeFact.append(nDiv)
if nInput == 0:
break
return arrPrimeFact
def ConcatArray(arrInput):
strResult = ""
for arrElem in arrInput:
strResult = strResult + str(arrElem)
return int(strResult)
## print (PrimeFact(511))
## print (ConcatArray(PrimeFact(511)))
## print (ConcatArray(PrimeFact(8)))
nOrigInputNum = 10
nInputNum = nOrigInputNum
while not IsPrime(nInputNum):
nInputNum = ConcatArray(PrimeFact(nInputNum))
print ("HP(" + str(nOrigInputNum) + ") = " + str(nInputNum))
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