Question

write prime factors of 90 by factor tree method ​

Answer 1

Step-by-step explanation:

The number 90 is a composite number because 90 can be divided by 1, by itself and at least by 2, 3 and 5. So, it is possible to draw its prime tree. The prime factorization of 90 = 2•32•5.

Answer 2

Solution :-

Finding prime factors by factor tree method we get,

factors of 90,

→ 90 = 2 * 45

now, factors of 45,

→ 45 = 3 * 15

now, factors of 15,

→ 15 = 3 * 5

since 3 and 5 are prime numbers , they can be written as factor of 1 only .

Now for factor tree refer to image .

Learn more :-

(3) निम्न के स्थानीय मान लिखिये-

(अ)43.24

(स)884.20

(ब) 534.34

(द) 178.34

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