WorksheetsFactors and multiples
Total questions: 20
Worksheet time: 10mins
The smallest prime factor?
2
3
4
5
The smallest odd prime number?
2
3
4
5
LCM of 33 and 55?
165
170
139
146
Number which is Neither composite nor prime?
1
2
3
4
prime factorization of 20?
2 x 5 x 2
2 x 5 x 5
factors of 24
1,2,3,4,6,8,12,24
1,2,4,6,8,12,24
LCM of 150 and 50
150
50
300
100
Twin primes in these options?
17,19
4,6
6,8
13,17
Factors of 20?
1,2,5,4,10,20
1,2,4,5,10,20
Composite number?
9
7
5
4
Ram wrote the multiples of 5
5,10,15,20
Is is correct?
Correct
Wrong
Prime factorization of 50?
2 x 5 x 5
2 x 10 x 5
2 x 5 x 10
2 x 10 x 2
HCF of 20 and 50
5
4
10
2
What is the LCM of 60 and 80?
180
160
280
240
LCM of 40 and 180
360
160
80
120
LCM of 40 and 180?
360
240
180
40
Prime factorization of 60?
2 x 10 x 3
2 x 5 x 3
2 x 5 x 6
2 x 10 x 5
What are twin primes ?
The numbers which's product is 20
The numbers which's quotient is 2
The numbers which's sum is 2
The numbers which's difference is 2
LCM of 20 and 30?
10
30
40
60
LCM of 30 and 40?
120
80
180
40
