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| 1. |
Show that 13*17*19*23+13*23 is composite number |
| Answer» We will check the result13 × 1 7 × 19 × 23 + 13 × 23221 × 437 + 29996577 + 29996876Let\'s do factorization96876 = 2 × 2× 3 × 3 × 3× 3 ×13 × 23\xa0It is divisible by numbers other than 1 and the number itself.So, it is a composite number\xa0 | |