2007-10-05 08:14:58 · 5 answers · asked by Valand M 1 in Science & Mathematics ➔ Mathematics
3 11 23 31
9 is not prime, 15 is not prime, and 49 is not prime.
2007-10-05 08:17:47 · answer #1 · answered by Vincent G 7 · 0⤊ 0⤋
It can be a mixture but the ones that is entirely prime numbers is the second, 3, 11, 23, 31.
In the third the 15 is divisible by 3 and 5 which in and of themselves are prime. And the first the 9 is divisible by 3.
And the fourth 49 is divisible by 7.
2007-10-05 15:20:39 · answer #2 · answered by jhg 5 · 0⤊ 1⤋
3, 11, 23, 31
2007-10-05 15:17:24 · answer #3 · answered by Jazzman 2 · 1⤊ 0⤋
3,11,23,31. THEY CANNOT BE DIVIDED INTO WHOLE NUMBERS, ECEPT BY THEMSELVES OR ONE, THUS THEY ARE PRIME
2007-10-05 15:18:12 · answer #4 · answered by mech9x 2 · 0⤊ 0⤋
3,11,23,31
2007-10-05 15:18:38 · answer #5 · answered by ironduke8159 7 · 0⤊ 0⤋