Wednesday, 8 January 2014

Numbers by group 4


The group on the left are composite numbers. Composite numbers are numbers that are divisible by any positive integer other than 1 and itself. For example, 6 is composite because it has the divisors 2 and 3 in addition to 1 and 6.

A prime number is a positive integer greater than 1 that has no positive divisors other than 1 and itself. For example, 5 is prime because only 1 and 5 evenly divide it.

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