Question

Give reason that 2×13×5×17+13 is a composite number.

Answer 1

Answer:

We know that (5x13x17) is divisable by 13. Therefore, adding 13 will also result in a number which will be divisable by 13. So yes. It is a composite number.

Step-by-step explanation:

Answer 2

Answer:

2×13×5×17+13 = 13[{2×5×17}+1]

∵the number has 13 as a factor

∴the given number is composite

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