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3 is a Prime number. The other numbers are even numbers greater than 2, so they are composite numbers, not prime numbers.
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What are the prime factors of 150?
A prime factor = prime number which can be divided into the given number with no remainder Prime factors of 150 are: 2, 3, and 5.
Is 3 a prime or composite or neither?
3 is a prime number. Any number that only has itself and one as factors is a prime number. Therefore, since there are no factors of 3 other than one and itself it is a prime number.
What is the number 3 prime or composite?
3 is a prime.
Is 3x13 prime?
3 is a prime number. 13 is a prime number. 3 x 13 cannot be prime.
What is the prime facturization for 45?
Students learn that the prime factorization of a number is the given number written as the product of its prime factors. For example, to find the prime factorization of 45, use a factor tree to find that 45 is 5 x 9, and 9 is 3 x 3. So the prime factorization of 45 is 5 x 3 x 3, or 5 x 3^2.
