Is 7 ×5 × 3 ×2 + 3 is a composite number? justify your answer
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Yes.
Taking 3 common, we find the number to be 3(7x5x2x1+1). From here, we can see that the number has two more factors other than one and itself, that is 3 and 7x5x2+1=71. hence the number is composite
Taking 3 common, we find the number to be 3(7x5x2x1+1). From here, we can see that the number has two more factors other than one and itself, that is 3 and 7x5x2+1=71. hence the number is composite
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