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37 is too special (Posted on 2019-06-19) Difficulty: 3 of 5
If 3n zeros are placed between the digits 3 and 7, then the number formed is divisible by 37. In addition, if 3n+1 zeros are placed between the digits 7 and 3, the number formed is also divisible by 37.

It means 3000...7 is divisible by 37. Here,the zeroes are in 3n form.

It means 70000...3 is also divisible by 73. Here zeroes are in 3n+1 form.

Prove it.

No Solution Yet Submitted by Danish Ahmed Khan    
Rating: 2.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: Nicealadanh alibaba2020-02-27 02:34:22
NiceAnna Shetty2019-07-22 03:23:12
solutionxdog2019-06-19 09:08:34
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