Q2 MATHEMATICS 4- FACTORS, MULTIPLES, PRIME AND COMPOSITE NUMBER
Quiz by Christine Jerenlou Pedroso
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- Q1
Which are the common factors of 36 and 42?
1, 2, 3, 6, 7
1, 2, 3, 4 ,6
1, 2, 4, 6
1, 2, 3, 6
300s - Q2
Which two numbers have 6 as their factor?
12 and 18
16 and 20
16 and 18
12 and 16
300s - Q3
What number is missing in the factor tree below?
3
2
7
4
300s - Q4
Which number has the prime factor 3?
97
87
67
77
300s - Q5
Which of the following is equal to 45?
3 x 3 x 5
2 x 3 x 5
2 x 5 x 7
3 x 5 x 7
300s - Q6
These are numbers with only two factors, itself and 1.
Multiples
Factors
Composite
Prime
300s - Q7
Which of the following is a composite number?
47
43
49
41
300s - Q8
Which set is composed of prime numbers only?
13, 19, 23, 25
13, 17, 19, 21
13, 17, 19, 23
13, 15, 17, 19
300s - Q9
The prime numbers 13 and 31 are called reverse primes. Which of the following are reverse primes?
41 and 14
37 and 73
21 and 12
51 and 15
300s - Q10
What is the product of the least two 2 – digit prime numbers?
165
143
187
132
300s
