Question

us
digits is 0 + 5 = 5 and sum of renang uigils is
of the two sums is 5 - 5 = 0 so the number is divisible by
1540 = 2 x 2 x 5 x 7 x 11
Note
We divided first by 7 and later by 11 because 77 was seen clearly
divided by 11 first.
EXERCISE 3.5
Write the prime factors of the following numbers by the factor-tree method
(a) 24
(b) 36
(c) 48
(d)
Find the prime factors of the following numbers by division method :
(a) 60
(b) 96
(c) 176
(d)
(f) 243
(g) 484
(h) 728
Find the prime factors of the smallest 5-digit number.
(i)
Find the prime factors of the greatest 4-digit number.
Which of the following are prime factorisation ​

Answer 1

Answer:

tfhkbjvvuub y yy uvh yvy. ybuibmuun

bgb. j. .

Answer 2

Answer:

question no. 1

a) 24: 2x2x3x2

b) 36: 2x2x3x3

c) 48: 2x2x2x2x3

question no. 2

a) 60: 2x2x3x5

b) 96: 2x2x2x2x2x3

c) 176: 2x2x2x2x11

d) ?????? you don't give question

f) 243: 3x3x3x3x3

g) 484: 2x2x11x11

e) 728: 2x7x13.

question no. 3

answer) smallest 5 digit number:10000

prime factor: 2x2x2x2x5x5x5x5=10000

question no. 4

answer) greatest 4 digits number: 9999

prime factor: 3x3x11x101=9999

hope it's helpful to you