72257...61849 (172-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

72 2570566889 6724656164 0062416084
5929577656 2554765329 5184504149 0047614624 4489435642 2540963969 3844372136
0034813364 3249313630 2529162809 2704260125 0024012304 2209211620 2519361849

Single Curio View: (Seek other curios for this number)

The largest prime formed from reverse concatenation of n consecutive 4-digit square numbers (n=43). [Gupta]

Submitted: 2020-07-10 00:31:26; Last Modified: 2020-07-10 00:33:16.