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The products of the digits of the number 1216 is 1 x 2 x 1 x 6 = 12
how many distinct four digit positive integers have a product of the digits equal to 12?
Original post by Wolfram Alpha
The products of the digits of the number 1216 is 1 x 2 x 1 x 6 = 12
how many distinct four digit positive integers have a product of the digits equal to 12?


Well... 1413, there is not formula for working this out.

1126
1134
1143
1162
1216
1232
The list goes on.... ?
Original post by Calzs34
Well... 1413, there is not formula for working this out.

1126
1134
1143
1162
1216
1232
The list goes on.... ?


P.S that is incorrect! You need to find the specific number of possible number...so you could list all the possibilities and count them but that would take forever.
Original post by Wolfram Alpha
P.S that is incorrect! You need to find the specific number of possible number...so you could list all the possibilities and count them but that would take forever.


so your saying there's a forumla..?
Original post by Calzs34
so your saying there's a forumla..?


Yes.
Original post by Wolfram Alpha
Yes.

Well, enlighten me

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