Math, asked by shivamverma3519, 1 year ago

explain why 5 * 7 * 19 + 5 and 3 * 5 * 7 * 11 + 7 are composite numbers​

Answers

Answered by harsha116
5

Step-by-step explanation:

they are composite numbers because any number in the number set besides prime number is called a composite number


shivamverma3519: how to prove it ?
harsha116: solve the question
harsha116: ull get a number which is not prime
harsha116: then just copy whatever I've written in my ans
Answered by anshupatel7
5

Answer:

5(1×7×19+1) and7(3×5×1×11+1)

5×7×20 and 7×15×12

700 and 105×12

700and 1260

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