Warm-up Please use the `Big Q` to complete this problem in your spiral

Download Report

Transcript Warm-up Please use the `Big Q` to complete this problem in your spiral

Prime Factorization
Warm-up
Please use the 4 step process to complete this problem in your spiral
Which group contains 4 factors of 32?
a. 2, 4, 9, 16
b. 2, 4, 8, 32
c. 1, 2, 3, 4
d. 2, 4, 6, 32
What is Prime Factorization?
 Prime Factorization –
16
Writing a number as the
product of prime factors.
 You can use any two
factors to make your tree.
4
4
2 2
2 2
16
8
4
2
2
2
2
Getting Your Answer
 To get your answer you
16
have to multiply the circled
numbers
 Circle the prime numbers
4
4
2 2
2 2
2x2x2x2
Prime Factorization
Draw Factor Trees
for
12.
Prime Factorization
Draw Factor Trees
for
42.
Prime Factorization
Draw Factor Trees
for
56.
Prime Factorization
Draw Factor Trees
for
24 and 36.
Prime Factorization
1. The prime factorization of 54 is _____.
a. 1 x 2 x 3 x 3 x 54
b. 2 x 3 x 3 x 3
c. 2 x 3 x 3 x 3 x 6 x 9
d. 2 x 2 x 9
Prime Factorization
2. Which answer choice is NOT a prime
factorization?
a. 2 x 2 x 11
b. 3 x 5 x 7
c. 3 x 3 x 8
d. 5 x 5 x 5
Prime Factorization
3. 2 x 2 x 2 x 5 is the prime factorization for
which number?
a. 30
b. 40
c. 20
d. 25
Prime Factorization
4. Marissa’s math homework paper had a corner torn off. All
that was remaining of a prime factorization was
2 x 2 x 5 x _. This could NOT have been the prime
factorization for which number below?
a. 25
b. 40
c. 60
d. 80