Question

explain why 2*5*7+ and 3*5*7*13+13 are composite

Answer 1

Answer:

I hope this is helpful .

Step-by-step explanation:

2×5×7 = 70 which is a composite number which has more than two factors 2 , 5 , 7 , 10 are factors .

3×5×7×13+13 = 1378 which is a composite number which has more than two factors 2, 13, 26, 53, 106, 689 are factors .