Question

A Find the prime factorisation of each of the following numbers, 1. 54 2. 63 4. 90 3. 72 ​

Answer 1

Answer:

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step step by

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

(c) 70 = 2 × 5 × 7 (d) 54 = 2 × 3 × 9

Solution

Transcript

SOLUTION:

(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 factorziation.

(iv) 54 = 2 × 3 × 9

here 9 is not a prime number.

so, number 54 does not have prime factorization.

Answer 2

Step-by-step explanation:

फाइंड द प्राइम फैक्टराइजेशन ऑफ ईच ऑफ द फॉलोइंग नंबर लाइक 54