Question

1. Express each of the following numbers as a product of its prime factors
(i) 140
(ii) 156
(iii) 3825 (iv) 5005 (v) 7429
2. Find the LCM and HCF of the following integers by the prime factorization me
(i) 12, 15 and 21
(ii) 17, 23, and 29
(ii) 8.9 and 25
(iv) 72 and 108
(v) 306 and 657
3. Check whether 6" can end with the digit 0 for any natural number n.
4. Explain why 7 x 11 x 13+13 and 7 x 6 x 5 x 4 x 3 x 2 x 1 +5 are
numbers.
5. How will you show that (17 x 11 x 2) + (17 x 11 x 5) is a compo
Explain.
6. What is the last digit of 610
ental Theorem of Arithmetic to explo​

Answer 1

Answer:

Mafh class 7

math 110111²+1111²

Step-by-step explanation:

4677