What is the 1st prime number?: 2
What is the 2nd prime number?: 3
What is the 3rd prime number?: 5
What is the 4th prime number?: 7
What is the 5th prime number?: 11
What is the 6th prime number?: 13
What is the 7th prime number?: 17
What is the 8th prime number?: 19
What is the 9th prime number?: 23
What is the 10th prime number?: 29
What is the 11th prime number?: 31
What is the 12th prime number?: 37
What is the 13th prime number?: 41
What is the 14th prime number?: 43
What is the 15th prime number?: 47
What is the 16th prime number?: 53
What is the 17th prime number?: 59
What is the 18th prime number?: 61
What is the 19th prime number?: 67
What is the 20th prime number?: 71
What is the 21st prime number?: 73
What is the 22nd prime number?: 79
What is the 23rd prime number?: 83
What is the 24th prime number?: 89
What is the 25th prime number?: 97
What is the 26th prime number?: 101
What is the 27th prime number?: 103
What is the 28th prime number?: 107
What is the 29th prime number?: 109
What is the 30th prime number?: 113
What is the 31st prime number?: 127
What is the 32nd prime number?: 131
What is the 33rd prime number?: 137
What is the 34th prime number?: 139
What is the 35th prime number?: 149
What is the 36th prime number?: 151
What is the 37th prime number?: 157
What is the 38th prime number?: 163
What is the 39th prime number?: 167
What is the 40th prime number?: 173
What is the 41st prime number?: 179
What is the 42nd prime number?: 181
What is the 43rd prime number?: 191
What is the 44th prime number?: 193
What is the 45th prime number?: 197
What is the 46th prime number?: 199
What is the 47th prime number?: 211
What is the 48th prime number?: 223
What is the 49th prime number?: 227
What is the 50th prime number?: 229
What is the 51st prime number?: 233
What is the 52nd prime number?: 239
What is the 53rd prime number?: 241
What is the 54th prime number?: 251
What is the 55th prime number?: 257
What is the 56th prime number?: 263
What is the 57th prime number?: 269
What is the 58th prime number?: 271
What is the 59th prime number?: 277
What is the 60th prime number?: 281
What is the only even prime number?: 2
Is 1 a prime number?: No. A prime has exactly two factors, and 1 has only one.
Is 91 prime?: No: 91 = 7 × 13
Is 51 prime?: No: 51 = 3 × 17
Is 57 prime?: No: 57 = 3 × 19
Is 87 prime?: No: 87 = 3 × 29

Free flashcards from Peabody at peabody.kids/flashcards/math-prime-numbers