Use this tool to check if any given number is prime. A prime number has no divisors other than 1 and itself, making it crucial in various fields, including cryptography. Input a number, and this tool will instantly confirm whether it's prime or composite, saving you time on manual calculations. Ideal for students, teachers, and professionals who work with numbers.
| Prime #1 | Prime #2 | Prime #3 | Prime #4 |
|---|---|---|---|
| 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 |
| 577 | 587 | 593 | 599 |
| 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 |