w many prime numbers are there between 50 and 90?
2007-09-15 19:24:13 · 4 answers · asked by Ben 1 in Science & Mathematics ➔ Mathematics
How many prime numbers are there between 50 and 90?
2007-09-15 19:25:26 · update #1
87 is not prime
87 = 3 * 29
{53, 59, 61, 67, 71, 73, 79, 83, 89}
9 prime numbers in the specified range
2007-09-15 19:41:29 · answer #1 · answered by gudspeling 7 · 1⤊ 0⤋
Go through the list and examine them. Or go to any of a zillion sites that have tables of prime numbers up to 5 or 6 digits. You can at least count âº
Doug
2007-09-16 02:35:38 · answer #2 · answered by doug_donaghue 7 · 0⤊ 0⤋
yeah there are 9 prime nos-- 53,59,61,67,71,73,79,83,89
2007-09-16 03:02:40 · answer #3 · answered by Muslim Girl 2 · 0⤊ 0⤋
There are ten. They are:
53
59
61
67
71
73
79
83
87
89
2007-09-16 02:32:40 · answer #4 · answered by ♣♠The Boss♠♣ 3 · 1⤊ 1⤋