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You find all the factors of 51. The factors are 1, 51, 3, 17. A Prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1, 2, and 0. 51 is COMPOSITE.
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∙ 12y agoThis answer is:
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∙ 7y agoDivide it by 3.
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