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# 11-rough numbers

From OeisWiki

Least prime factor ≥ 11.

## Sequences

A008364 11-rough numbers: positive integers that have no prime factors less than 11.

- {1, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 121, 127, 131, 137, 139, 143, 149, 151, 157, 163, 167, 169, ...}

## See also

- Fourth row in an illustration for A002110, A005867, A038110, A060753.
- A084969 is the proper subset
*numbers with smallest prime factor 11*. -
*p*-rough numbers