Question

check whether 5 x 3 x 11 + 11 and 5 x 7 + 7 x 3 + 3 are composite number. justify your answer​

Answer 1

Answer:

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Step-by-step explanation:

5 x 3 x 11 + 11 =176

176 is composite

(176 can be divided by 1,2,4,8,11,16,22,44,88,176.)

5 x 7 + 7 x 3 + 3= 59

59 is prime

Answer 2

5×3×11+11 is a composite number and 7+7×3+3 is also a composite number.

Step-by-step explanation:

5×3×11+11 = 176 which is not a prime number as it can be divided by 1,2,4,8,11,16,22,44,88,176. So the number is composite.

On the other hand, 7+7×3+3 = 64 is also not a prime number as it can be divided by 1,2,4,8,16,32,64 so this number is composite too.

Hope this helps

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