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)

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

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

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (9)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info