math

Wich if the given numbers are composite?15,19,23,31,49,55,59,87,91,97,103,105

  1. 👍 0
  2. 👎 0
  3. 👁 97
asked by Sue
  1. Compare to the list of them here:

    http://www.math-worksheets.info/Composite_numbers.html

    The list goes as far as 100. Beyond that, 103 is prime and 105 has more than two prime factors (5,21,3,35,7, and 15), so they are not composite.

    1. 👍 0
    2. 👎 0
    posted by drwls

Respond to this Question

First Name

Your Response

Similar Questions

  1. Basic Math

    Im so confused with these questions: which of the following numbers are composite? 0,1,15,19,23,31,49,55,59,87,91,97,103,105 A. 1,23,31,59,91 B. 15,49,55,87,91,105 c. 0,1,19,23,31,105

    asked by Michelle on January 22, 2008
  2. math

    Which of the given numbers are composite? 0,1,15,19,23,31,49,55,59,87,91,97,103, 105

    asked by carmela on November 9, 2010
  3. math

    Which of the given numbers are composite? 0, 1, 15, 19, 23, 31, 49, 55, 59, 87, 91, 97, 103, 105

    asked by scooby91320002 on July 15, 2009
  4. math 115

    could someone check my work please? 1.List the factors of each of the following numbers.66 1,11,6 2.Use the following list of numbers for exercises 13 and 14. 0, 1, 15, 19, 23, 31, 49, 55, 59, 87, 91, 97, 103, 105 15,55,105 answer

    asked by p on September 2, 2009
  5. math

    which of these statements about prime and composite numbers is true? F)all prime numbers are odd. G)all prime numbers have three factors. H)all composite numbers are divisible by two. J)all composite numbers have more then two

    asked by george on March 25, 2010
  6. pre - algebra

    maria had $123 she spent $35,loaned $20 to a friend and received her $90 paycheck how much does she have now? so you would do 123 -20=103 and then 103 - 20=83 and 83 + 90 =wich is 173 so that would be the answer right?

    asked by emily on September 16, 2012
  7. Math

    Please help! Struggling on these few. Thank you :) 2. Which list has the numbers in order from least to greatest? 9.4 × 102, 4.9 × 102, 9.4 × 103 9.4 × 103, 4.9 × 102, 9.4 × 102 4.9 × 102, 9.4 × 102, 9.4 × 103 4.9 × 102,

    asked by Um on February 14, 2018
  8. math

    Cruz and his friend, Penny need to determine what numbers are prime and what numbers are composite for homework assignment. Cruz says that the number 5 is a composite number because it has the factors 2 and 2.5. Explain what is

    asked by sai on August 5, 2010
  9. math

    Can someone help me with prime and composite numbers? Prime numbers are counting numbers that can be divided evenly bt only two numbers:1 and themselves. A prime number can also be described as a counting number with exactly two

    asked by haylo on October 24, 2006
  10. Chemistry Honors

    What mass of calcium bromide is needed to prepare 150.0 mL of a 3.50 M solution? (Assume that the molecular weight of CaBr2 is 200.618 g/mol) A. 105 g B. 100.42 g C. 0.105 g D. 103.35 g

    asked by Tony on December 16, 2014

More Similar Questions