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Prime Numbers
Facts about Prime Numbers
Date : 04/10/2020
A prime number can only be divided by itself or 1
2, 3 and 7 are prime numbers
2 is the only even prime number
Every even number greater than 4 is the sum of two Prime Numbers.
Example
14=3+11 or 14=7+7
&Express the following even numbers as sums of two prime numbers.
a) 16. b) 24. c) 46. d) 84. e) 92. f) 72. g) 38. h) 98
Every odd number greater than 7 is the sum of 3 prime numbers
For example
13=5+5+3 or 13=3+3+7.
So you can express the following numbers as 3 prime numbers
a) 9 b) 23 c) 29 d)33 e) 35 d)33 f) 53 g) 83) h) 69
Do you think this is true or can you prove me wrong?
This resource was uploaded by: Stephanie