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What number can be written as the product of two prime numbers?
A semiprime or a prime square.
What are fun facts on number 84?
The number 84 is interesting because it is a semiprime, meaning it is the product of two prime numbers (2 and 42). In addition, 84 is a highly composite number, having more divisors than any smaller number, with a total of 12 divisors. It is also the atomic number of polonium, a radioactive element. Furthermore, in the realm of sports, the number 84 has been worn by several famous athletes, particularly in American football.
What numbers might be mistaken as prime?
Larger semiprime numbers are often mistaken for prime if their other factor(s) are not obvious. 40477, for instance, might appear prime at first.
What does a negative number multiplied by a negative number equal to?
A positive number. Positive Number x Positive Number = Positive Number Positive Number x Negative Number = Negative Number Negative Number x Negative Number = Positive Number
Can a real number that is not a rational number is a?
A real number which is not a rational number is an irrational number.
