Question

MATHEMATICS
WORKSHEET – 2B
GEM
Date:
Factors and Multiples
State whether the following are true or false.
1.
An even number can never be a prime number.
2.
There are infinite factors of a number.
3.
A factor of a natural number is always smaller than or equal to the
number itself.
4.
The numbers 17 and 23 are twin primes.
.
5.
A number having only two factors is called a prime number.
6.
All natural numbers are either prime or composite.​

Answer 1

Answer:

1. false

2.false

3. true

4. false

5.true

6.true

explanation:

1. 2 is an even prime no.

2.we can have infinite no. of multiples not factors

4. twin primes are the nos. which are 2 more or 2 less than next prime no.

so 17 is a twin prime no. as 19 is the next prime no. and is 2 less than it and 23 is not two less neither 2more than any prime no.

Answer 2

Answer:

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