Prime factors of $140$ are:

2 \times 2 \times 7

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2 \times 2 \times 5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2 \times 2 \times 5 \times 7

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

2 \times 2 \times 5 \times 7 \times 3

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $2 \times 2 \times 5 \times 7$
The prime factorisation of $140$ is given by
$2 \times 2 \times 5 \times 7$ .
Hence, the answer is $2 \times 2 \times 5 \times 7$ .

Suggest Corrections

Similar questions

In which of the following expressions, prime factorization has been done?

(a) 24 = 2 × 3 × 4 (b) 56 = 7 × 2 × 2 × 2

Q. If 2 × 3 = 5, 7 + 5 = 2 and 5 ÷ 2 = 10, then value of 7 × 7 + 7 ÷ 7 is

यदि 2 × 3 = 5, 7 + 5 = 2 तथा 5 ÷ 2 = 10, तब 7 × 7 + 7 ÷ 7 का मान है

Question 6

Which of the following expressions show that rational numbers are associative under multiplication.
(a) $\frac{2}{3} \times (\frac{- 6}{7} \times \frac{3}{5}) = (\frac{2}{3} \times \frac{- 6}{7}) \times \frac{3}{5}$
(b) $\frac{2}{3} \times (\frac{- 6}{7} \times \frac{3}{5}) = \frac{2}{3} \times (\frac{3}{5} \times \frac{- 6}{7})$
(c) $\frac{2}{3} \times (\frac{- 6}{7} \times \frac{3}{5}) = (\frac{3}{5} \times \frac{2}{3}) \times \frac{- 6}{7}$
(d) $(\frac{2}{3} \times \frac{- 6}{7}) \times \frac{3}{5} = (\frac{- 6}{7} \times \frac{2}{3}) \times \frac{3}{5}$

Question 6

In which of the following expressions, prime factorization has been done:

(i) $24 = 2 \times 3 \times 4$
(ii) $56 = 7 \times 2 \times 2 \times 2$
(iii) $70 = 2 \times 5 \times 7$
(iv) $54 = 2 \times 3 \times 9$

Join BYJU'S Learning Program

Prime factors of 140 are:

The correct option is C 2×2×5×7The prime factorisation of 140 is given by2×2×5×7.Hence, the answer is 2×2×5×7.

Prime factors of $140$ are:

The correct option is C $2 \times 2 \times 5 \times 7$
The prime factorisation of $140$ is given by
$2 \times 2 \times 5 \times 7$ .
Hence, the answer is $2 \times 2 \times 5 \times 7$ .