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Earn +20 ptsQ: What are the prime factors between 1 - 15?
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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.
Are 15 and 33 prime numbers?
No, they are composite numbers. The factors of 15 are 1, 3, 5, and 15. The factors of 33 are 1, 3, 11, and 33. Prime numbers have two factors: 1 and the number itself, so 15 and 33 cannot be prime.
What is the factors and prime factors of 75?
The factors of 75 are: 1 3 5 15 25 75 The prime factors are: 3, 5
What is a prime number that is a factor of 15?
1, 3, 5 are all prime factors of 15 3 and 5 only. 1 is a special number that has no factors but itself yet it is not counted as a prime number.
What are the prime between 1 and 15?
There are 6 prime numbers between 1 and 15: 2 3 5 7 11 13.
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