Factors and Multiples
Find all the factors of 32.
1, 2, 4, 8, 16, 32
Choose the prime numbers: 14, 9, 17, 21
17
Find the GCF of 24 and 30 by listing factors.
GCF = 6
24 - 1, 2, 3, 4, 6, 8, 12, 24
30 - 1, 2, 3, 5, 6, 10, 15, 30
Evaluate 43.
64
Rewrite using the quotient law of exponents:
1310 divided by 137
133
List the first 5 multiples of 13 (include 13).
13, 26, 39, 52, 65
Choose the composite numbers: 23, 45, 11, 22, 90
45, 22, 90
Find the LCM of 15 and 20 by listing multiples.
LCM = 60
15 - 15, 30, 45, 60
20 - 20, 40, 60
Evaluate (2/3)2
4/9
5622/822
722
Which numbers is 39,702 divisible by? Check the numbers 2 through 10.
2, 3, 6
Define a prime number and a composite number.
Prime Number - A number with only 2 factors, 1 and the number itself.
Composite Number - A number with more than 2 factors
Find the GCF of 82 and 46 using prime factorization.
GCF = 2
Rewrite using the product law of exponents:
612 x 412
2412
Rewrite using the power to a power law of exponents:
(69)3
627
What is the 23 multiple of 7?
161
Find the prime factorization of 44.
22 x 11 (or 2 x 2 x 11)
Find the LCM of 80 and 25 using prime factorization.
LCM = 400 (2 x 2 x 2 x 2 x 5 x 5)
80 = 2 x 2 x 2 x 2 x 5
25 = 5 x 5
1718 x 175
1723
(12014)0
1200 or 1
What number are the following factors for? x represents missing factors.
1, 2, 4, x, 8, 14, 16, x, 56, x
112
Find the prime factorization of 284.
22 x 71 (or 2 x 2 x 71)
What is the 4th multiple of the GCF of 15 and 40?
20
(ab)3 x (ab)4
(ab)7
(28n)a
28na