Question

prime factorization of 78 by division method​

Answer 1

Answer:

factorization of 78

78 = 2 ×3 ×13

Answer 2

Let us consider a few examples using division method.

1. Find the prime factors of 15.

First Step: 2 is the smallest prime number. But it cannot divide 15 exactly. So, consider 3.

Second Step: Now, 5 cannot be divide by 3. Consider the next smallest prime number 5.

The prime factors of 15 are 3 × 5.

2. Find the prime factors of 18.

First Step: Consider 2, the smallest prime number.

Second Step: As 9 cannot be divide by 2. Consider the next smallest prime 3. Repeat the process till quotient becomes 1.

The prime factors of 18 are 2 × 3 × 3.

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