perplexus.info :: Numbers : Even and Odd Digit Numbers

Even and Odd Digit Numbers (Posted on 2023-09-08)

(A) Two different five digit base ten numbers M and N are constituted entirely by even digits.
What is the least value of M+N, given that M*N is a perfect square?

(B) Two different five digit numbers M and N are constituted entirely by odd digits.
What is the least value of M+N, given that M*N is a perfect square?

See The Solution Submitted by K Sengupta

Rating: 5.0000 (1 votes)

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Subject	Author	Date
going from perfect squares to their divisors	Charlie	2023-09-08 11:37:35
Computer solution	Larry	2023-09-08 08:46:11

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