barb28
barb28 barb28
  • 22-11-2017
  • Mathematics
contestada

I have a question on my problem of the week, it says if n=15!+35!,how many of the nine prime numbers less than 25 are divisors of n? I need help ASAP!!

Respuesta :

Plasmataco
Plasmataco Plasmataco
  • 22-11-2017
15!+35!=15!(1+(35!-15!)) so I believe 35!-15!+1 is a prime number so we just have to find the primes in 15! so 2,3,5,7,11,13
Answer Link

Otras preguntas

5 lbs 4 oz = how many oz
What organelles release energy from sugar?
Is this trustworthy answers
What was African fever
A turtle walks 7/8 miles in 58 minutes so how many miles did the turtle walk in 1 hour??
A mathematician decided to throw a party.When all the guests arrived, she joined the party with her husband. Including the mathematician and her husband,there w
Zalmon walks three fourhs of a mile in three tenths of an hour. what is his speed in miles per hour?
Is cancer caused by germs?
Last week Rachel walked 2 3/5 miles per day on each of the 7 days. During the same week, she also jogged 5 3/4 miles per day on 4 days. What was the total numbe
A turtle walks 7/8 miles in 58 minutes so how many miles did the turtle walk in 1 hour??