perplexus.info :: Numbers : Prime Test (1)

Prime Test (1) (Posted on 2011-04-25)

Let S be the square of a prime number, such that S is greater than 41.

Prove that (S-41)(S+41) is evenly divisible by 240.

Submitted by broll

Rating: 4.0000 (1 votes)

Solution: (Hide)

See the solution to Prime Test(3) for a full explanation as to why this 'works'.

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

	Subject	Author	Date
	solution	Paul	2011-04-25 20:29:17

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