CONTEMPORARY MATHEMATICS

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American Mathematical Society

Providence, Rhode Island

Factorizations of bn±1,

b = 2, 3, 5, 6, 7,10, 11, 12

Up to High Powers

Third Edition

John Brillhart, D. H. Lehmer

J. L. Selfridge, Bryant Tuckerman,

and S. S. Wagstaff, Jr.

22

This work is dedicated to the memory of

Lt.-Col. Allan J. C. Cunningham

(1842-1928), an industrious computer

and maker of mathematical tables.

This edition is also dedicated to the memory of

Derrick Henry Lehmer (1905-1991),

our friend, co-author and long-time collaborator.