math

Find the GCF and LCM of 18 and 42

  1. 👍
  2. 👎
  3. 👁
  1. 18 = 2 * 3^2
    42 = 2 * 3 * 7
    so,
    LCM = 2 * 3^2 * 7=126

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. maths

    the gcf of two numbers is 3 and lcm is 180.if one of the numbers is 45,what is the other number?

  2. Math

    GCF of 2 natural numbers is 3 and their LCM is 180 if one of the numbers is 45 then find second number

  3. math

    The product of two numbers is 180. The LCM of the two numbers is 60. What is the GCF of the two numbers? How do you know?

  4. Algebra

    Factor the GCF out of 5x2 - 10x? I know I need to find the GCF of the coefficients but I need to write it using the distributive property. Help please?

  1. factors math

    The gcf(a,b) = 495 and lcm( a,b) =31,185 Find possible values of a and b if a is divisible by 35 and b is divisible by 81.

  2. math6

    the lcm is 30 the gcf is 2 whats the pair of numbers for each set of conditions

  3. math

    The GCF of two numbers is 15. Their LCM is 450. What are the two numbers? (Enter your answers as a comma-separated list.)

  4. Maths

    If the GCF (x, 36) is 4 and LCM (x, 36) is 288, then find the number x.

  1. Math

    Find the LCM and GCF of the following numbers: 1) 2016 and 756 2) 10140 and 705551 3) 17 664 and 288 4) 3960, 150 and 495 I believe the answers are: 1) LCM = 6048 GCF = 252 2) LCM = 7 154 287 140 GCF = 1 3) LCM = 52 992 GCF = 2208

  2. Math

    Find the LCM of 11(s-3) and 33(s-3). LCM of 11 is 11*1 LCM of 33 is 3*11 LCM is 11*3*1=33 What do I do from here? I put down 33(s-3) was the answer but I don't think that is right. Thanks for your help.

  3. Math

    If p and q are relatively prime, then GCF(p,q) = ______, and LCM(p,q) = _______.

  4. Algebra 1B

    1.) Find the GCF of -25a3b4, 45a6b5. I got 25a3b4 2.)Find the GCF of a5b, a3b4, a2b3. I got a2b 3.) Find the GCF of 10ab5, 12a3b4, 16a2b3. I got 2ab3

You can view more similar questions or ask a new question.