Test 3 Prime Factors

Prime Factors

100

Prime factors of 12?

2X2X3

200

prime factors of 20?

2X2X5

300

Prime factors of 9?

3X3

400

Prime factors of 60?

2X2X3X5

500

Prime factors of 100?

2X2X5X5

Greatest Common Factor

100

GCF of 9 and 15

3

200

GCF of 10 and 12

2

300

GCF of 8 and 24

8

400

GCF of 40 and 50 

10 

500

GCF of 36 and 60 

12

Least Common Multiple

100

LCM of 3 and 4

12

200

LCM of 6 and 10 

30

300

LCM of 9 and 12 

36

400

LCM of 16 and 20

80

500

LCM of 25 and 40 

200

Exponents

100

3 to the second power

9

200

2 to the third power

8

300

5 to the second power

25

400

4 to the third power

64

500

5 to the third power

125

True or False

100

The number 1 is prime?

True

200

The prime numbers less than 10 are 2, 3, 4, 5, 7

False; 2, 3, 5, 7

300

All even numbers are composite?

False; 2 is prime

400

The Roman Numeral for 999 is IM?

False; CMXCIX

500

The number 37,218 is divisible by 6?

True