The definition of a Prime number is a number that can only be divided by 1 and itself. Prime numbers can not be divided by anything but 1.
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They are: 1 and 11 which is a prime number
Prime numbers are integers greater than 1 that have no positive divisors other than 1 and themselves. Prime factors, on the other hand, are prime numbers that divide a given integer without leaving a remainder. In other words, prime factors are the prime numbers that, when multiplied together, result in the original integer. For example, the number 12 has prime factors of 2 and 3, as 2 * 2 * 3 = 12.
Not Prime32 is not a prime number. In addition to 1 and 32, 2 and some other numbers will divide into it evenly. In order to be prime, a number must be divisible only by 1 and itself. Because all even numbers are divisible by 2, all even numbers except 2 are composite numbers.32 is NOT a prime number.
To find a prime factor of a number, divide by 2 and see if you get no remainder. Then divide by 3, 4, 5, and so on, until one of the numbers you try gets you no remainder. If no such numbers work below the number you chose, it is prime. In the case of the number 9, 2 does not go into 9, but 3 does.
All composite numbers can be expressed as the product of prime numbers. This is accomplished by dividing the original number by prime numbers until all the factors are prime. A factor tree can help you visualize this. Example: 30 30 Divide by two. 15,2 Divide by three. 5,3,2 Stop. All the factors are prime. 2 x 3 x 5 = 30 That's the prime factorization of 30.