The prime factorization of 99 is 3 times 3 times 11, or 3^2 times 11. Prime factorization requires finding the prime numbers that multiply together to make a particular number. Prime numbers are numbers that are evenly divisible by only themselves and one.
Know MoreTo learn the prime factors of 99, find two numbers that multiply together to make 99, such as 9 and 11. Eleven is a prime factor because it is only divisible by itself and 1, but 9 is not prime. Next, find two numbers that multiply together to make 9, such as 3 times 3. Since 3 is prime, all the prime factors have been found.
Learn MoreWhen 108 centimeters is converted to inches, it becomes approximately 42.9 inches. By definition, 1 inch is exactly 2.54 centimeters. To convert 109 centimeters to inches, solve the equation 109 centimeters = (x inches)(2.54 centimeters/1 inch).
Full Answer >The number pi, represented by the symbol π, is used in everyday life to calculate the radius or circumference of circles and in design and construction. Pi is an irrational number, often approximated to 3.14, that was discovered by Greek mathematicians as a ratio to relate the diameter of a circle to the circumference.
Full Answer >The number 21 is not a prime number. Prime numbers are numbers greater than one that are evenly divisible by only 1 and themselves. As the number 21 has multiple factors, including 1, 21, 3 and 7, it does not meet the definition of a prime number.
Full Answer >There are 15 zeros following the one in 1 quadrillion. There are three zeros per every thousand and six zeros per every million. A quadrillion is a thousand trillion, which means it has three zeros for the thousand plus 12 zeros for the trillion for a total of 15.
Full Answer >