Factor table for the first ten millions containing the smallest factor for every number not divisible by 2, 3, 5, or 7 between the limits and 10017000 / Derrick Norman Lehmer Lehmer, Derrick Norman, Factor tables Numbers, Prime. 512.72 LEF Washington, D.C. : Carnegie institution of Washington, 1909. 1909. 1909 Text 1 p. : eng