Here are all the 3 digit prime numbers, i.e. all prime numbers between 101-1000.
100s[]
101 | 103 | 107 | 109 | 113 |
127 | 131 | 137 | 139 | 149 |
151 | 157 | 163 | 167 | 173 |
179 | 181 | 191 | 193 | 197 |
199 |
200s[]
211 | 223 | 227 | 229 | 233 |
239 | 241 | 251 | 257 | 263 |
269 | 271 | 277 | 281 | 283 |
293 |
300s[]
307 | 311 | 313 | 317 | 331 |
337 | 347 | 349 | 353 | 359 |
367 | 373 | 379 | 383 | 389 |
397 |
400s[]
401 | 409 | 419 | 421 | 431 |
433 | 439 | 443 | 449 | 457 |
461 | 463 | 467 | 479 | 487 |
491 | 499 |
500s[]
503 | 509 | 521 | 523 | 541 |
547 | 557 | 563 | 569 | 571 |
577 | 587 | 593 | 599 |
600s[]
601 | 607 | 613 | 617 | 619 |
631 | 641 | 643 | 647 | 653 |
659 | 661 | 673 | 677 | 683 |
691 |
700s[]
701 | 709 | 719 | 727 | 733 |
739 | 743 | 751 | 757 | 761 |
769 | 773 | 787 | 797 |
800s[]
809 | 811 | 821 | 823 | 827 |
829 | 839 | 853 | 857 | 859 |
863 | 877 | 881 | 883 | 887 |
900s[]
907 | 911 | 919 | 929 | 937 |
941 | 947 | 953 | 967 | 971 |
977 | 983 | 991 | 997 |
All in all, there are 143 prime numbers from 101-1000. This means that 143/900 or around 1 in 6 numbers from 101-1000 are prime. 757 numbers are composite.
List of Prime Numbers (3 digits)