Question

9. Write the smallest four digit number and give its
prime factorisation
10. Write down the greatest 3-digit number and give
its prime factorisation.​

Answer 1

Answer:

9. 1000

1000=2*5*2*5*2*5

10.999

999=3*3*3*37

Answer 2

Co-prime number is a set of numbers or integers which have only 1 as their common factor i.e. their highest common factor (HCF) will be 1.

Co-prime numbers are also known as relatively prime or mutually prime numbers.