jakedria jakedria

01-11-2016
Mathematics

contestada

of the following numbers , which one os prime : 14,13,21,23

Respuesta :

notarobot notarobot

01-11-2016

Prime refers to numbers that cannot be divided by any number but themselves and 1.

14 can be eliminated, as it is even (no primes except 2 are even)
13 has no divisors. It is prime.
21 has 4 divisors. It is not prime.
23 has no divisors. It is also prime.

Two numbers of this list are prime; 13 and 23.

Answer Link

Otras preguntas

Which of the following best characterizes the Neolithic era? A.The need for hunting and gathering B.The development of permanent settlements C.The discovery

The number of wolves in a wildlife preserve is estimated to have increased continually by 3% per year. If the population is now estimated at 5,400 wolves, how m

There is a 5% per year decline in water in the following reservoir. If the reservoir had 2000 gallons of water in year 2001, how much water will remain in 2017

what would happen to the size of the carnivore population if the herbivore population increased

which method of material exchange uses up energy

Which of the following is an example of "craft" A.) an algebra problem. B.) a knitted blanket. C.) making a bed. D.) shooting a gun

Is 2.58, 2.6,2 5/8,2 2/3 in order from least to greatest

What step do I do first

5(2x-4)=4+3x solve for x

You have 24 blue socks and 24 black socks unordered in a bag. how many socks do you need to pull out before you have a matching pair.