2,2,5
The prime numbers of 20 are 2, 2 and 5. (2*2*5 = 20)
You find the first 20 prime numbers and add them together. There is no formula for generating a sequence of prime numbers and so none for the series of their sums.You find the first 20 prime numbers and add them together. There is no formula for generating a sequence of prime numbers and so none for the series of their sums.You find the first 20 prime numbers and add them together. There is no formula for generating a sequence of prime numbers and so none for the series of their sums.You find the first 20 prime numbers and add them together. There is no formula for generating a sequence of prime numbers and so none for the series of their sums.
7 + 13 = 20 Note that there are no two prime numbers x and y that multiply to 20.
They are 3+17 = 20
20 + 1
26
3 + 20 = 23
360
20
3, 13 and 23 are prime numbers.
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