75 = 3 x 5 x 5 OR 3 x 52
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3 x 5 x 5 = 75
The product of any set of prime factors is equal to the number itself. 75 is equal to 3 x 5 x 5 or 3 x 52.
Prime factorization: It is a method to express each number as the product of prime numbers.Step 1: Which prime number divide 75?Ans: 3 and 5.But, we should start with the smallest prime number which divides 75.75÷3 = 25Step 2: Which prime number divide 25?Ans: 525÷5 = 5Step 3: We have to continuously divide each quotient by a prime number until the quotient itself is a prime number.In step 2 we are left with 5(prime number) as a quotient.So, prime factorization of 75 = product of all the quotients = 3x5x5
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".
ANSWER: 3 * 5 * 5 = 75