# ML Aggarwal Playing With Numbers Exe-4.3 Class 6 ICSE Maths Solutions

ML Aggarwal Playing With Numbers Exe-4.3 Class 6 ICSE Maths Solutions. We Provide Step by Step Answer of Exe-4.3 Questions for Playing With Numbers as council prescribe guideline for upcoming board exam. Visit official Website CISCE for detail information about ICSE Board Class-6.

## ML Aggarwal Playing With Numbers Exe-4.3 Class 6 ICSE Maths Solutions

Board | ICSE |

Publications | Avichal Publishig Company (APC) |

Subject | Maths |

Class | 6th |

Chapter-4 | Playing With Numbers |

Writer | ML Aggarwal |

Book Name | Understanding |

Topics | Solution of Exe-4.3 Questions |

Edition | 2023-2024 |

**Playing With Numbers Exe-4.3**

ML Aggarwal Class 6 ICSE Maths Solutions

Page-77

**Question 1. Here are two different factor trees of the number 90. Write the missing numbers:**

(i) …..

(ii) ….

**Answer:**

(i)

Factor : 90 = 2 x 5 x 3 x 3

(ii)

Factor : 90 = 5 x 3 x 3 x 2

**Question 2. Find the prime factorization of the following numbers:**

(i) 72

(ii) 172

(iii) 450

(iv) 980

(v) 8712

(vi) 13500

**Answer:**

(i) 72

Prime factorization of 72 = 2 x 2 x 2 x 3 x 3

(ii) 172

Prime factorization of 172 = 2 x 2 x 43

(iii) 450

Prime factorization of 450 = 2 x 3 x 3 x 5 x 5

(iv) 980

Prime factorization of 980 = 2 x 2 x 5 x 7 x 7

(v) 8712

Prime factorization of 8712 = 2 x 2 x 2 x 3 x 3 x 11 x 11

(vi) 13500

Prime factorization of 13500 = 2 x 2 x 3 x 3 x 3 x 5 x 5 x 5

**Question 3 . Write the smallest and the greatest three digit numbers and express them as the product of prime.**

**Answer:**

Smallest three digit number = 100

so, 100 = 2 x 2 x 5 x 5

Greatest three digit numbers = 999

so 999 = 3 x 3 x 3 x 37

**Playing With Numbers Exe-4.3**

ML Aggarwal Class 6 ICSE Maths Solutions

Page-78

**Question 4. Write the smallest five digit number and express it in the form of its prime factors.**

**Answer:**

Smallest five digit number is 10000

so, 10000 = 2 x 2 x 2 x 2 x 5 x 5 x 5 x 5

**Question 5. **I am the smallest number, having four different prime factors. Can you find me?

**Answer:**

The smallest four different prime number are 2,3,5 and 7

So, the smallest number, having four different prime factors is 2 x 3 x 5 x 7 = 210

— : End of ML Aggarwal Playing With Numbers Exe-4.3 Class 6 ICSE Maths Solutions :–

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