perplexus.info :: Numbers : 50

50 - Digit Number III (Posted on 2022-05-04)

A fifty digit positive integer satisfies all these given conditions:

The number is constituted entirely by the digit 1 with the exception of the units digit.
The number is divisible by 53.

Determine the units digit.

Extra Challenge: Solve this puzzle without using a computer-assisted method.

Submitted by K Sengupta

Rating: 5.0000 (1 votes)

Solution: (Hide)

The required units digit is 8.
For an explanation, refer to the solution submitted by Brian Smith in this location.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
No Subject	K Sengupta	2022-08-02 10:03:06
No Subject	K Sengupta	2022-05-13 13:03:44
re: Short division	tonny ken	2022-05-13 05:27:09
re: computer solution	xdog	2022-05-05 15:31:06
computer solution	Charlie	2022-05-04 12:50:44
Solution	Brian Smith	2022-05-04 09:35:20
Short division	Jer	2022-05-04 09:25:23

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