Q5 of 55 Page 61

Write the smallest 5-digit number and express it in the form of its prime factors.

Smallest 5 digit number = 10,000


Draw the factor tree,



So the factors are;


10000 = 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5


More from this chapter

All 55 →
3

Which factors are not included in the prime factorisation of a composite number?

 4

Write the greatest 4-digit number and express it in terms of its prime factorsd.

 6

Find all the prime factors of 1729 and arrange them in ascending order. Now state the relation, if any; between two consecutive prime factors.

 7

The product of three consecutive numbers is always divisible by 6. Verify this statement with the help of some examples.