Question

EXERCISE - 1.2
whether
1. Express each of the following numbers as a product of its prime factors.
(i) 140
(ii) 156
(iii) 3825
(iv) 5005
(v) 7429
85. This
it is not
2. Find the LCM and HCF of the following integers by the prime factorization meth
present
(i) 12, 15 and 21
(ii) 17, 23, and 29
(iii) 8, 9 and 25
zero.
(iv) 72 and 108
(v) 306 and 657
LCM
d. Let
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 con
numbers.
5. How will you show that (17 x 11 x 2) + (17 x 11 x 5) is a composite
Explain.
6. Which digit would occupy the units place of 6l.
each
the
Now, let us use the Fundamental Theorem of Arithmetic to explore real numbe​

Answer 1

this are the answer

I think it is ok for you