Check whether 2 X 5 X 3 X 7 + 3 is a prime number or composite number?
Answers
Answered by
1
Answer:
213 is a composite number
Step-by-step explanation:
as 213 is 3*71
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Answered by
1
Answer:
2 × 5 × 3 × 7 + 3
= 3 × ( 2×5×7 + 1 )
= 3 × 71
so it has other factors than 1 and itself ...
so it is composite
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