41, 43
59, 61
71, 73
5, 17 and 23.
The numbers are 28 and 29.
Meles zenawi , lord of a war
10, 20, 30, 40, 50, 60, 70, 80, 90
reciprocal
Prime numbers are whole numbers evenly divisible only by themselves and 1. By convention, 1 is not considered a prime number. Zero cannot be divided by itself because division by 0 is not allowed so it cannot meet the definition of being prime.
29, 29, 29
Additive inverses
One-half and two.
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30 and 45
No it isn't, it's divisible by 10 and 2 and 5. Also, No 780 is not a prime number. A prime number is defined as a number whos divisbility is 1 and its self.