Divisibility rule (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Divisibility rule" in English language version.

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6books.google.com

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archive.org

Wells, David (1997), The Penguin dictionary of curious and interesting numbers, p. 51, ISBN 9780140261493

books.google.com

This follows from Pascal's criterion. See Kisačanin (1998), p. 100–101
A number is divisible by 2^m, 5^m or 10^m if and only if the number formed by the last m digits is divisible by that number. See Richmond & Richmond (2009), p. 105
Apostol (1976), p. 108
Richmond & Richmond (2009), Section 3.4 (Divisibility Tests), p. 102–108
Richmond & Richmond (2009), Section 3.4 (Divisibility Tests), Theorem 3.4.3, p. 107
Kisačanin (1998), p. 101

doi.org

Gardner, Martin (September 1962). "Mathematical Games: Tests that show whether a large number can be divided by a number from 2 to 12". Scientific American. 207 (3): 232–246. doi:10.1038/scientificamerican0962-232. JSTOR 24936675.

hmc.edu

math.hmc.edu

Su, Francis E. ""Divisibility by Seven" Mudd Math Fun Facts". Archived from the original on 2019-06-13. Retrieved 2006-12-12.

jimloy.com

Loy, Jim (1999), Divisibility Tests, archived from the original on 2007-10-10, Multiply the right-most digit by 5 and add to the rest of the numbers. If this sum is divisible by 7, then the original number is divisible by 7.

jstor.org

Gardner, Martin (September 1962). "Mathematical Games: Tests that show whether a large number can be divided by a number from 2 to 12". Scientific American. 207 (3): 232–246. doi:10.1038/scientificamerican0962-232. JSTOR 24936675.

oeis.org

Stoykov, Ivan (March 2020). "OEIS A333448". Oeis A333448.

web.archive.org

Loy, Jim (1999), Divisibility Tests, archived from the original on 2007-10-10, Multiply the right-most digit by 5 and add to the rest of the numbers. If this sum is divisible by 7, then the original number is divisible by 7.
Su, Francis E. ""Divisibility by Seven" Mudd Math Fun Facts". Archived from the original on 2019-06-13. Retrieved 2006-12-12.