Math exam tomorrow, i need it for my review sheet answers, help, please. I gotta do good in order to keep my straight A's up!!!!!
2007-01-11 13:33:47 · 11 answers · asked by ~VICKY~ online talk ta me 1 in Education & Reference ➔ Homework Help
yes it is. its not divisible by anything but itself and 1. division rules for: 2- ones digit is even 3- if the sum of all the digits in the number add up to be divisible by three. 4- if the last two digits are divisible by 4. 5- last digit is 5 or 0. 6- if the digit is divisible by both 2 and 3. 9- if the sum of the digits is a multiple of nine. 10- if it has 0 at the end.
2007-01-11 13:39:10 · answer #1 · answered by Anonymous · 0⤊ 1⤋
yes 23 is a prime number
2007-01-11 13:37:30 · answer #2 · answered by André S 2 · 0⤊ 0⤋
23 is a prime number.
2007-01-11 13:38:29 · answer #3 · answered by Mr. Sir 5 · 0⤊ 0⤋
yes a prime number only has the factors of itself and one. 1 and 23.
examples are : 1, 2. 3 ,5, 7,11,13,17,19,23,31--- ok.
2007-01-11 13:40:19 · answer #4 · answered by Anonymous · 0⤊ 0⤋
yes. Only 1 and 23 are its factors.
2007-01-11 13:36:03 · answer #5 · answered by apetkw 2 · 1⤊ 0⤋
yeah, here's how 2 figure it out. approx sq root is btween 4 & 5. try c-ing if #'s go in up to five. if not, its prime.
2007-01-11 13:38:57 · answer #6 · answered by lea.mosely21 2 · 0⤊ 0⤋
yes
2007-01-11 13:41:22 · answer #7 · answered by theonlybojack 2 · 0⤊ 0⤋
yes
2007-01-11 13:38:12 · answer #8 · answered by Anaelise 3 · 0⤊ 0⤋
yes
2007-01-11 13:36:30 · answer #9 · answered by Anonymous · 0⤊ 0⤋
Sure is, there is not another number that it can be divided by to be reduced...
2007-01-11 13:36:57 · answer #10 · answered by Patricia D 6 · 0⤊ 0⤋