Multiples & Factor
Power
HCF & LCM
Prime Number
Factor Tree & Square Root
100
Enter the next multiple of 8.
8, 16, 24, 32, __
64
100
Simplify the following expressions by writing them as powers.
4×13×4×4×7
43 x 13 x 7
100
Find the HCF of 12 and 18
6
100
Which of these numbers are prime?
9, 13, 21, 39
13
100
What is the prime factorization of 104
2 ● 2 ● 2 ● 13
200
What are ALL the factors of 24?
1, 2, 3, 4, 6, 8, 12, 24
200
Expand the term 144
= 14 x 14 x 14 x 14
200
Find the LCM of 10 & 6
30
200
Which of these numbers are composite?
19, 23, 47, 51
51
200
What is Square of 7?
72
= 7 x 7
= 49
300
The sum of the first three multiples of 7 is
7 × 1 + 7 × 2 + 7 × 3
=7 + 14 + 21
=42
300
Which is greater
63 or 82
63 = 6 x 6 x 6 = 216
82 = 8 x 8 = 64
63 is highest
300
Find the LCM of 11, 4 & 22.
44
300
Is 87 a Prime or a Composite Number?
Composite
300
Identify the number missing from prime factorization 2 x 2 x 3 = 24
2
400
What is the second largest factor of 34?
17
400
Evaluate 2 x 52 - 72
1
400
Find the HCF of 35, 42 and 49.
7
400
Find the prime numbers that are factors of 42
7,3,2
400
A = 120
B = 10
500
| What is the smallest 3-digit number that is a multiple of 15? |
105
500
Evaluate
(9-5)3
= 43
= 4 x 4 x 4
=64
500
Which Pair of number has 60 as their LCM
(a) 40 and 60
(b) 12 and 30
(c) 10 and 6
(d) 30 and 45
12 and 30
500
Find the two primes numbers that are factors of for 187
11 and 17
500
What is the Square Root of 121?
11