2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97 101 103 107 109 113 127 131 137 139 149 151 157 163 167 173 179 181 191 193 197 199 211 223 227 229 233 239 241 251 257 263 269 271 277 281 283 293 307 311 313 317 331 337 347 349 353 359 367 373 379 383 389 397 401 409 419 421 431 433 439 443 449 457 461 463 467 479 487 491 499 503 509 521 523 541 547 557 563 569 571 577 587 593 599 601 607 613 617 619 631 641 643 647 653 659 661 673 677 683 691 701 709 719 727 733 739 743 751 757 761 769 773 787 797 809 811 821 823 827 829 839 853 857 859 863 877 881 883 887 907 911 919 929 937 941 947 953 967 971 977 983 991 997
the only even prime number in the world is 2
do you think i know this at the top of my head?? geez...
Composite numbers are positive integers greater than 1 that have factors other than 1 and themselves. To find all the composite numbers between 1000 and 3000, we can start by listing the prime numbers in that range: 1009, 1013, 1019, 1021, 1031, 1033, and so on. Then, we can identify the numbers that are not prime, which are composite. This process would yield a list of composite numbers between 1000 and 3000.
There is an infinite number of prime numbers after 500!
As many as you want. It all depends how far you extend the method - up to 100, up to 1000, up to 10000, etc.
The prime numbers up to 50 are: 2,3,5,7,11,13,17,23,29,31,37,41,43,47.
Do a search on Google, for "prime numbers" table, or "prime numbers" list, and you will surely find something.I cannot tell precisely without looking up a table or doing some longish calculus but as a gross estimatation there should be about this many prime numbers between 1000 and 2000:2000 / ln(2000) - 1000 / ln(1000) =~ 263 - 144 = 119Actual number of primes between 1000 and 2000 should be a little above 119(in the range [140, 160] i think)
Prime numbers are those numbers which are only divisible by itself Likewise, 1,3,5,7,11,13,17,19,23,,29,31,37,41,43,47,51,53,57,59. These are the only prime numbers upto 60.
So the composite numbers won't get all bunched up.
No, there is no single definitative equaltion that will predict all prime numbers between 1 and 1000, while not including some composite numbers. However, there are many "rules of thumb" that can greatly increase the efficiency of an algorithm to find the primes. For example, all prime numbers greater than 6 are either one more or one less than a multiple of six. This combined with the 11 primes less than the square root of 1000, makes the algorithm 8 times as effective as a brute force approach.
2,3,5,7,11,13,17,19,23,29,31,37,39,41,43,47,51,53,57,59,61,67,71,73
There are no prime numbers greater than 10 that add up to 29. Since all prime numbers greater than 2 are odd numbers, no two prime numbers greater than 2 can have an even number for their sum.