1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000
2 and 5 are prime.
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The prime factors of 4000 are: 2 and 5.
Take your pick! Which one do you want it to be? 75: It is the only number that is the product of three (an odd number of) prime factors. 360: It is the only number with three different prime factors. 100: It is the only number that is the product of two pairs of two prime factors. 25: It is the only number that is a square of a prime. 51: It is the only semi-prime. 4000: It is the only number that is a product of 8 prime factors. So, given these unique characteristics, it is always possible to define a set in such a way that the stated characteristic makes that number the "odd one out".
The factors of 233357 are: 1 233357 The prime factors are: (233357 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.
2^5 × 5^3