Yes. Natural numbers, or counting numbers, cannot produce non-natural numbers, or complex numbers, through methods of multiplication or addition. However 5 divided by 3 creates the complex number 1.666666.... So division of two naturals can produce a complex. Also 6 minus 10 creates -4 which is not a natural number.
The product of negative number and a positive number is always a negative. The product of two positive numbers, or two negative numbers, is always a positive.
No, the product will always be even.
Yes always
No such numbers exist; the product of two odd numbers is always odd.
no
is a natural number a whole number
No. -3 is a whole number but it is not a natural number.
The product of negative number and a positive number is always a negative. The product of two positive numbers, or two negative numbers, is always a positive.
The product of two rational numbers is always a rational number.
No, the product of two negative numbers is always a positive.
The product of two odd numbers is always an odd number.
No. Rather all natural numbers are necessarily rational number
No, the product will always be even.
The product of two prime numbers is always a composite number, and it never is a prime number.
The product of all those numbers will always be a negative number.
Yes always
No such numbers exist; the product of two odd numbers is always odd.