Question

show that 7×5×3×2+7 is a composite number​

Answer 1

Answer:

7×5×3×2+3 = 3 (70+1) = 3 x 71. It has two factors 7 & 31 so it can't be prime number. All factors- 1 , 213 , 3 & 71. Therefore it is a composite number.

Step-by-step explanation:

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Answer 2

Answer:

7×5×3×2+7=127

Step-by-step explanation:

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