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 = 25
Step 2: Which prime number divide 25?
Ans: 5
25÷5 = 5
Step 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
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75 25,3 5,5,3
3 x 52 = 75
The prime factorization of 75 is 3 x 5 x 5.
prime factorization each number is a part of the whole
The prime power factorization of 75 is 3 x 52.