Question

Tuomal numb
decimal expa
We do so by
Let
EXERCISE - 1.2
1. Express each of the following number as a product of its prime factors.
(1) 140
(v) 7429
(ii) 156
(iv) 5005
() 3825
ci
2
(111) 8, 9 and 25
(1) 12. 15 and 21
(ii) 17, 23, and 29
(v) 306 and 657
(iv) 72 and 108
3. Check whether 6 can end with the digit 0 for any natural number n.
numbers
who
ther
5. How will
you
Explain
6. What is the last digit of 6
Now let us use the Fundamental Theorem of Arithmetic to explore real numbers further
2. Find the LCM and HCF of the following integers by the prime factorization method
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 composite
1 show that (17 x 11 x 2) + (17 x 11 x 5) is a composite number​

Answer 1

Answer:

wow such a big question

Answer 2

Prime factors for 7429 is 17×19×23. So the prime factorisation for 7429 is 17×19×23.