perplexus.info :: Numbers : Factorial Crossed Perfect Square Settlement

Factorial Crossed Perfect Square Settlement (Posted on 2023-09-21)

Find all possible quadruplets (a,b,c,d) of positive integers, that satisfy this equation:

a!-b!-c! = d².

Prove that no further quadruplet satisfies the given conditions.

See The Solution Submitted by K Sengupta

Rating: 5.0000 (4 votes)

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