Question

Explain why 5 x 11 x 17 + 17 is a composite number while 7 x 6 x 5 x 3 + 5 is not a composite
number?
Show that the number 11 x 13 x 15 x 17 + 17 is a composite number.
[CBSE 2011]​

Answer 1

Answer:

5x 11x 17 +17 =942

7x 6 x3x 5+5= 633

942 is a composite number because it is

divisible by even number ,not by all but it

is divisible by even number and it is not a

prime number.

633 is not a composite number because

it is not divisible by any even number. all

the composite number are divisible by a

even number and often by 2.

hope it helps ❣️ ❣️

Answer 2

Answer:

Answer. 942 is a composite number because it is divisible by even number ,not by all but it is divisible by even number and it is not a prime number. 633 is not a composite number because it is not divisible by any even number.

Step-by-step explanation:

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