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▷ ▶ Prime or Composite Number? SelectSmart.com free Education flowcharts and decision trees.
 A SelectSmart.com Flowchart by vcammel. See vcammel's 4me blog page. Viewed 3326 times. Created March 2015. This SelectSmart.com Education flowchart, a free online decision tool is a creation of vcammel and for amusement purposes only. The implicit and explicit opinions expressed here are the author's. SelectSmart.com does not necessarily agree.
Prime or Composite Number?
By vcammel
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 How to tell if a number is Prime or Composite Is the number even (ends in 0, 2, 4, 6 or 8) NO Is the number divisible by 3 (add the digits of the number - if sum is a multiple of 3 then ...) NO Is the number divisible by 5 (ends in 0 or 5) NO Is the number divisible by 7 (do the math) NO The number is Prime (can only be multiplied by itself and 1) YES YES YES YES The number is Composite The number is Composite The number is Composite The number is Composite