# Prime Numbers

A prime number has only two different factors. They are 1 and the number itself. 13 is a prime number because the only factors of 13 are 1 and 13. Note that 1 is not a prime number.

The following table lists all odd numbers from 3 to 991 and if the number is not a prime the lowest factor is given.

 3 Prime 5 Prime 7 Prime 9 3 11 Prime 13 Prime 15 3 17 Prime 19 Prime 21 3 23 Prime 25 5 27 3 29 Prime 31 Prime 33 3 35 5 37 Prime 39 3 41 Prime 43 Prime 45 3 47 Prime 49 7 51 3 53 Prime 55 5 57 3 59 Prime 61 Prime 63 3 65 5 67 Prime 69 3 71 Prime 73 Prime 75 3 77 7 79 Prime 81 3 83 Prime 85 5 87 3 89 Prime 91 7 93 3 95 5 97 Prime 99 3 101 Prime 103 Prime 105 3 107 Prime 109 Prime 111 3 113 Prime 115 5 117 3 119 7 121 11 123 3 125 5 127 Prime 129 3 131 Prime 133 7 135 3 137 Prime 139 Prime 141 3 143 11 145 5 147 3 149 Prime 151 Prime 153 3 155 5 157 Prime 159 3 161 7 163 Prime 165 3 167 Prime 169 13 171 3 173 Prime 175 5 177 3 179 Prime 181 Prime 183 3 185 5 187 11 189 3 191 Prime 193 Prime 195 3 197 Prime 199 Prime 201 3 203 7 205 5 207 3 209 11 211 Prime 213 3 215 5 217 7 219 3 221 13 223 Prime 225 3 227 Prime 229 Prime 231 3 233 Prime 235 5 237 3 239 Prime 241 Prime 243 3 245 5 247 13 249 3 251 Prime 253 11 255 3 257 Prime 259 7 261 3 263 Prime 265 5 267 3 269 Prime 271 Prime 273 3 275 5 277 Prime 279 3 281 Prime 283 Prime 285 3 287 7 289 17 291 3 293 Prime 295 5 297 3 299 13 301 7 303 3 305 5 307 Prime 309 3 311 Prime 313 Prime 315 3 317 Prime 319 11 321 3 323 17 325 5 327 3 329 7 331 Prime 333 3 335 5 337 Prime 339 3 341 11 343 7 345 3 347 Prime 349 Prime 351 3 353 Prime 355 5 357 3 359 Prime 361 19 363 3 365 5 367 Prime 369 3 371 7 373 Prime 375 3 377 13 379 Prime 381 3 383 Prime 385 5 387 3 389 Prime 391 17 393 3 395 5 397 Prime 399 3 401 Prime 403 13 405 3 407 11 409 Prime 411 3 413 7 415 5 417 3 419 Prime 421 Prime 423 3 425 5 427 7 429 3 431 Prime 433 Prime 435 3 437 19 439 Prime 441 3 443 Prime 445 5 447 3 449 Prime 451 11 453 3 455 5 457 Prime 459 3 461 Prime 463 Prime 465 3 467 Prime 469 7 471 3 473 11 475 5 477 3 479 Prime 481 13 483 3 485 5 487 Prime 489 3 491 Prime 493 17 495 3 497 7 499 Prime 501 3 503 Prime 505 5 507 3 509 Prime 511 7 513 3 515 5 517 11 519 3 521 Prime 523 Prime 525 3 527 17 529 23 531 3 533 13 535 5 537 3 539 7 541 Prime 543 3 545 5 547 Prime 549 3 551 19 553 7 555 3 557 Prime 559 13 561 3 563 Prime 565 5 567 3 569 Prime 571 Prime 573 3 575 5 577 Prime 579 3 581 7 583 11 585 3 587 Prime 589 19 591 3 593 Prime 595 5 597 3 599 Prime 601 Prime 603 3 605 5 607 Prime 609 3 611 13 613 Prime 615 3 617 Prime 619 Prime 621 3 623 7 625 5 627 3 629 17 631 Prime 633 3 635 5 637 7 639 3 641 Prime 643 Prime 645 3 647 Prime 649 11 651 3 653 Prime 655 5 657 3 659 Prime 661 Prime 663 3 665 5 667 23 669 3 671 11 673 Prime 675 3 677 Prime 679 7 681 3 683 Prime 685 5 687 3 689 13 691 Prime 693 3 695 5 697 17 699 3 701 Prime 703 19 705 3 707 7 709 Prime 711 3 713 23 715 5 717 3 719 Prime 721 7 723 3 725 5 727 Prime 729 3 731 17 733 Prime 735 3 737 11 739 Prime 741 3 743 Prime 745 5 747 3 749 7 751 Prime 753 3 755 5 757 Prime 759 3 761 Prime 763 7 765 3 767 13 769 Prime 771 3 773 Prime 775 5 777 3 779 19 781 11 783 3 785 5 787 Prime 789 3 791 7 793 13 795 3 797 Prime 799 17 801 3 803 11 805 5 807 3 809 Prime 811 Prime 813 3 815 5 817 19 819 3 821 Prime 823 Prime 825 3 827 Prime 829 Prime 831 3 833 7 835 5 837 3 839 Prime 841 29 843 3 845 5 847 7 849 3 851 23 853 Prime 855 3 857 Prime 859 Prime 861 3 863 Prime 865 5 867 3 869 11 871 13 873 3 875 5 877 Prime 879 3 881 Prime 883 Prime 885 3 887 Prime 889 7 891 3 893 19 895 5 897 3 899 29 901 17 903 3 905 5 907 Prime 909 3 911 Prime 913 11 915 3 917 7 919 Prime 921 3 923 13 925 5 927 3 929 Prime 931 7 933 3 935 5 937 Prime 939 3 941 Prime 943 23 945 3 947 Prime 949 13 951 3 953 Prime 955 5 957 3 959 7 961 31 963 3 965 5 967 Prime 969 3 971 Prime 973 7 975 3 977 Prime 979 11 981 3 983 Prime 985 5 987 3 989 23 991 Prime

Subjects: Mathematics