1 million has only two prime factors. They are: 2, 5
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The factors of 233357 are: 1 233357 The prime factors are: (233357 is a prime number)
1,2,3,5,7,11,13,17,19,23,29,31.... A prime number has exactly two factors. 2 is prime (its factors are 1 and 2) 3 is prime (its factors are 1 and 3) 5 is prime (its factors are 1 and 5) 1 is not prime (its only factor is 1, this is 1 factor, not 2) 4 is not prime (it has 3 factors: 1, 2, and 4) 6 is not prime (it has 4 factors: 1, 2, 3, and 6)
The factors of -41 are 1, -1, 41, -41 41 is prime.
The factors of 2851 are: 1, 2851 (it is a prime number).
All numbers have factors. Some factors are prime numbers. These are known as prime factors. 2 and 3 are prime factors of 6. 1 and 6 are not prime factors of 6.