# Mathematics-Multiples and Factors [NSTSE (National Science Talent Search Exam- Unified Council) Class 4]: Questions 1 - 7 of 99

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## Question number: 1

» Mathematics » Multiples and Factors

### 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. | 1 | |

b. | 0 | |

c. | 3 | |

d. | 4 |

## Question number: 2

» Mathematics » Multiples and Factors

### Question

LCM stands for:

### Choices

Choice (4) | Response | |
---|---|---|

a. | Less common multiply | |

b. | Least common multiple | |

c. | Least common multiplier | |

d. | None of the above |

## Question number: 3

» Mathematics » Multiples and Factors

### Question

Out of the composite number is:

### Choices

Choice (4) | Response | |
---|---|---|

a. | 23 | |

b. | 27 | |

c. | 31 | |

d. | 37 |

## Question number: 4

» Mathematics » Multiples and Factors

### 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. | 10 | |

b. | 6 | |

c. | 8 | |

d. | 12 |

## Question number: 5

» Mathematics » Multiples and Factors

### Question

41 has only two factors: 1 and ________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | 24 | |

b. | 21 | |

c. | 0 | |

d. | 41 |

## Question number: 6

» Mathematics » Multiples and Factors

### Question

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

### Choices

Choice (4) | Response | |
---|---|---|

a. | 29 | |

b. | 50 | |

c. | 10 | |

d. | 44 |

## Question number: 7

» Mathematics » Multiples and Factors

### Question

A composite number has ________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | at one’s place. | |

b. | More than 2 factors. | |

c. | at one’s place. | |

d. | Only 2 factors. |