perplexus.info :: Just Math : Four factors

Four factors (Posted on 2015-11-06)

Let N = 111 ... 1222 ... 2, i.e. 1999 digits of digit 1 followed by 1999 digits of 2.

Express N as a product of four integers, none of them equal to 1.

No Solution Yet Submitted by Ady TZIDON

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