Question

1. Write true or false.
All odd numbers are prime numbers.
false
b.
The sum of two even numbers is always
even.
C.
If a number is divisible by 4, then it must be
divisible by 8.
d. 1 is a factor of every natural number.
e. 2 and 3 are co-prime numbers.​

Answer 1

Answer:

A) FALSE... Example 21 is a odd number but it is not a prime number.

B) True example 4+86=90

C) False example 12 is divisible by 4 but not divisible by 8.

D) True

E) True. Coprime numbers are those numbers who combinely don't have any common factor.

Answer 2

Step-by-step explanation:

all odd numbers are prime numbers.true.1.

the sum of two even numbers is always even.false.2.

if a number is divisible by 4 then it must be divisible by 8.true.3.

1 is a factor of every natural number.true.4.

2 and 3 are co-prime numbers.true.5