Prime Numbers

2 only divides by 1 and 2          2 is a prime number
3 only divides by 1 and 3          3 is a prime number
5 only divides by 1 and 5          5 is a prime number
7 only divides by 1 and 7          7 is a prime number

11 only divides by 1 and 11       11 is a prime number
13 only divides by 1 and 13       13 is a prime number
17 only divides by 1 and 17       17 is a prime number
19 only divides by 1 and 19       19 is a prime number

23 only divides by 1 and 23       23 is a prime number
29 only divides by 1 and 29       29 is a prime number

31 only divides by 1 and 31       31 is a prime number
37 only divides by 1 and 37       37 is a prime number

41 only divides by 1 and 41       41 is a prime number
43 only divides by 1 and 43       43 is a prime number
47 only divides by 1 and 47       47 is a prime number

53 only divides by 1 and 53       53 is a prime number
59 only divides by 1 and 59       59 is a prime number

and so on

Cambridge / Thesaurus / Prime Number

Wolfram / MathWorld / Prime Number


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A Prime Number
Only Divides By Itself And 1
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The Sieve of Eratosthenes
Prime Numbers Between 1 And 100
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The First 60 Primes In 60 Seconds SHOW This Video LARGER

Edited by Dr David Cornelius an Independent Private Maths Tutor with over 25 years of experience
and The Secretary of The Association of Tutors in the UK for 15 years.
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