Generate the first 20 numbers
Define a prime number:
A number with 2 factors: 1 and itself
Prime Number 1
2
0 + 2 = 2
Prime Number 2
3
2 + 3 = 5
Prime Number 3
5
5 + 5 = 10
Prime Number 4
7
10 + 7 = 17
Prime Number 5
11
17 + 11 = 28
Prime Number 6
13
28 + 13 = 41
Prime Number 7
17
41 + 17 = 58
Prime Number 8
19
58 + 19 = 77
Prime Number 9
23
77 + 23 = 100
Prime Number 10
29
100 + 29 = 129
Prime Number 11
31
129 + 31 = 160
Prime Number 12
37
160 + 37 = 197
Prime Number 13
41
197 + 41 = 238
Prime Number 14
43
238 + 43 = 281
Prime Number 15
47
281 + 47 = 328
Prime Number 16
53
328 + 53 = 381
Prime Number 17
59
381 + 59 = 440
Prime Number 18
61
440 + 61 = 501
Prime Number 19
67
501 + 67 = 568
Prime Number 20
71
568 + 71 = 639
Final Answer
71
What is the Answer?
71
How does the Prime Numbers Calculator work?
Free Prime Numbers Calculator - Shows up to 3000 prime numbers and a cumulative sum
This calculator has 1 input.
This calculator has 1 input.
What 1 formula is used for the Prime Numbers Calculator?
Prime Numbers are number which have no divisors other than 1 and itself
What 6 concepts are covered in the Prime Numbers Calculator?
- divisibility
- Determine factors (whole numbers) for a given number
- factor
- a divisor of an integer n, also called a factor of n, is an integer m that may be multiplied by some integer to produce n.
- number
- an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.
- prime number
- a natural number greater than 1 that is not a product of two smaller natural numbers.
- prime numbers
- Positive numbers with no other factors but 1 and the number itself
- sum
- the total amount resulting from the addition of two or more numbers, amounts, or items
