Question

In which of the following expressions, prime factorization has been done?
Choose the correct answer:
(a) 24 = 2 × 2 × 6
(b) 76 = 2 × 2 × 19
(c) 132 = 11 × 3 × 4
(d) 140 = 4 × 5 × 7​

Answer 1

Answer:

b is correct answer Mark me as brainlist please

Answer 2

Step-by-step explanation:

(i) 24 = 2 × 3 × 4

here, 4 is not a prime number

so, number 24 does not have a prime factorization.

(ii) 56 = 7 × 2 × 2 × 2

here 2 and 7 are prime numbers.

so, 56 have prime factorization.

(iii) 70 = 2 × 5 × 7

here, 2, 5 and 7 all are prime numbers

so, number 70 have prime factorization.

(iv) 54 = 2 × 3 × 9

here 9 is not a prime number.

So number 54 does not have prime factorization.