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One example is 19. A Prime number is a number that only has two multiples; one and itself. Therefore, 19's factors are 1 and 19.
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How many factors to each prime number have?
Prime numbers have as factors the number 1 and their own number. Example: 37 is a prime number because its only factors are "1" and "37". If the prime number had further factors, it would no longer be prime.
What is a prime number and what is a composite number?
A prime number is a number which has no factors except 1 and itself. For example: 107 is prime because its factors are 1 and 107. A composite number is a number which has more that 1 and itself for factors. For example: 14 is composite because its factors are 1, 2, 7, and 14.
Is 392 a prime number?
no, because it has a 2 at the end. if the last digit in the number is an even number, then it is not a prime number. Also if the only factors of the number is 1 and itself then it is a prime number. example 1: 5,622 = not prime number.... example 2: 13=prime number because the only factors are 1 and 13.
What is an example of prime number in words?
A number with only two factors.
Why isn't 15 a prime number?
A number is prime if it has only 1 and itself as factors. For example, 7 is a prime number because it has only 1 and 7 as factors. 15 isn't a prime number because it has 1, 3, 5, and 15 as factors.
