Abstract
I DESIRE to announce the discovery which I have made that (2181 —;1) is divisible by 43441. This leaves only 16 of the numbers (2q — 1) originally reported composite by Mersenne, still unverified. I have submitted my determination to Lt.—Col. Allan Cunningham, R.E., who has kindly verified it.
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WOODALL, H. Mersenne's Numbers. Nature 87, 78 (1911). https://doi.org/10.1038/087078f0
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DOI: https://doi.org/10.1038/087078f0
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