All composite numbers can be expressed as unique products of prime numbers. This is accomplished by dividing the original number and its factors by prime numbers until all the factors are prime. A factor tree can help you visualize this.
Example: 210
210 Divide by two.
105,2 Divide by three.
35,3,2 Divide by five.
7,5,3,2 Stop. All the factors are prime.
2 x 3 x 5 x 7 = 210
That's the prime factorization of 210.
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Prime factorization of 90 = 2x3x3x5
Prime factorization for 128 is 27
The prime factorization of 122 is: 2 × 61 The prime factorization of 35 is: 5 × 7 The prime factorization of 120 is: 2 × 2 × 2 × 3 × 5 The prime factorization of 15 is: 3 × 5
Prime Factorizaton of 51The prime factorization of 51 is:3 X 17Both numbers are prime, so 3 X 17 is the prime factorization of 51.
The prime factorization for 72 is in the following 2.2.2.3.3=72