# Mathematics-Multiples and Factors (NSTSE (National Level Science Talent Search Examination) Class 4): Questions 1 - 6 of 99

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## Question number: 1

» Mathematics » Multiples and Factors

MCQ▾

### Question

The number 12 has six factors: . The table below lists the number of factors for some numbers.

 Number Number of factors 41 2 43 2 45 6 47 2 49 3

From this we can say that the number of prime numbers between 40 and 50 is:

### Choices

Choice (4) Response

a.

0

b.

3

c.

4

d.

1

## Question number: 2

» Mathematics » Multiples and Factors

MCQ▾

LCM stands for:

### Choices

Choice (4) Response

a.

Less common multiply

b.

Least common multiplier

c.

Least common multiple

d.

All of the above

## Question number: 3

» Mathematics » Multiples and Factors

MCQ▾

### Question

Out of the composite number is:

### Choices

Choice (4) Response

a.

23

b.

37

c.

31

d.

27

## Question number: 4

» Mathematics » Multiples and Factors

MCQ▾

### Question

Difference between the least common factor and the least common multiple of the number shown on the spike abacus is:

### Choices

Choice (4) Response

a.

12

b.

8

c.

6

d.

10

## Question number: 5

» Mathematics » Multiples and Factors

MCQ▾

### Question

41 has only two factors: 1 and ________.

### Choices

Choice (4) Response

a.

21

b.

41

c.

24

d.

0

## Question number: 6

» Mathematics » Multiples and Factors

MCQ▾

### Question

Find the sum of least prime number and the least composite number.

### Choices

Choice (4) Response

a.

10

b.

44

c.

29

d.

50

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