Question

EXERCISE 18
Step 1. F
Step 2 F
Step 3. T
ang numbers are prime numbers
owing numbes are composite numbers?
87.81.78.93,47
ers between 1 and 50
ers between 51 and 100
between 1 and 50
e composite numbers less than 100.
Sof pairs of co-primes.
using diviso
e prime factorisation of each of the following numbers using
0
(c) 180
(6) 84
1. Which of the following nu
1.17.21.576 19.94.68.90.9
2. Which of the following
1.79.97.51.61.87.81.78.5
3. List all prime numbers betwee
4. List all prime numbers between
5. List all twin-primes between 1
6.
List six consecutive composite nu
7. Give four examples of pairs of co-
8. Write the prime factorisa
numbers:
(0210
feed
(a) 60
ach of the following numbers using factors
9. Write the prime factorisation of each or en
(a) 90
(0) 216 (0) 300
which have only one compostution
10. Give examples of 4 pairs of prime numbers w
between them.
1. Fill in the blanks:
(a) ------............... is a factor of every number.
(b) The least prime number is
(C) The smallest composite number is...---------
(0) Each prime number has exactly ...
(e) .................... is neither prime nor composite.
( ................... is the only even prime number.
(9) The largest 2-digit prime number is.
(0) 315
OS​

Answer 1

Step-by-step explanation:

giving 1 by 1here is so cunfusion