751

This number is a prime.

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The number built with "expanded notation" in the classic book MATHEMATICS by David Bergamini and the Editors of LIFE (1963, p. 194), revealing to primary-graders how large numbers are constructed of hundreds, tens, and units.

Submitted: 2007-08-10 18:38:04;   Last Modified: 2014-08-30 15:16:45.
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