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Is 7 × 5 × 3 × 2 +3 a composite number? Justify your answer |
| Answer» {tex}7\\times 5 \\times 3 \\times 2 +3{/tex}Taking 3 common, we get{tex}3(7\\times 5 \\times 2+1){/tex}=\xa0{tex}3(70+1){/tex}=\xa0{tex}3\\times 71{/tex}Yes the number is a composite number because it has 2 factors 3 and 71 other than one and itself. | |