Q) Explain why 15 x 7 + 7 is a composite number.
Answers
Answered by
2
Answer:
112
Step-by-step explanation:
15×7=105+7=112
its simple qurstion
Answered by
17
15 x 7 + 7
= 7(15 + 1)
= 7(16)
= 7 x 4 x 4
= 7 x 2 x 2 x 2 x 2
= 7 x 2⁴
it is the product of prime factors 2 and 7. Therefore, it is a composite number.
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