72727...68613 (161-digits)

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

7 2727655290 5043995025
2444039113 6582670813 3005805882 0946031020 8261341369 1275729369 9289302996
1730892843 6703152385 8975398738 8936807441 5263737942 4050644876 4171768613

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The first 161-digit emirp to occur in the decimal expansion of Golden Ratio. [Gupta]

Submitted: 2019-10-12 07:42:11; Last Modified: 2019-10-13 21:21:00.