Student Worksheet 1: Ti-15 Explore:prime Factors - Math Worksheet Page 2

Student Worksheet 1

TI-15 Explorer

: Prime Factors

™

2. How many different factors does 60 have? Remember to include 1 and 60.

3. In your list of factors of 60 above draw a circle around any that are PRIME numbers.

Remember 1 is not a prime number!

4. On another sheet of paper use the table method as in Q1 to find and list all the factors of

the numbers in the table below. It may be easiest to list them in pairs as you go.

Complete the table, including finding the square root of the original number using your

calculator. If you do not know what the square root is ask your teacher or leave that

column blank.

(Hint: play with the

button on your calculator to see what it does.)

How many

Any

List of factors

Number

factors

PRIME

Number

Circle any that are

does this

from your

factors

number have

prime numbers

TI-15

found

altogether?

√24 = 4.9

Add other

numbers to try

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