If a=3×5×7+7 then the number a is
(a)prime number (b)composite number
(c)an odd number (d)irrational number
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Answered by
1
Answer:
3×5×7+7=105+7=112. 112 is an even number and is therefore a composite number. Also, 112 is divisible by other numbers such as 2,4,7,8,14,16,28 and 56 apart from itself 112 and 1
Hence 3×5×7+7 is a composite number
Answered by
0
Answer:
A composite no.
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