To find the prime factorization of 126 using the ladder method, we start by dividing 126 by the smallest Prime number, which is 2. This gives us 63. Then, we divide 63 by 3, which gives us 21. Continuing this process, we find that 21 can be divided by 3 again to get 7. Therefore, the prime factorization of 126 is 2 x 3 x 3 x 7, or 2 x 3^2 x 7.
The prime factorization of 27 is 3 x 3 x 3.
ladder method
*)1 3)3 3)9 2)18 2)36 2)72 The prime factorization of 72 is 2 x 2 x 2 x 3 x 3.
It is: 2*2*7 = 28
It is: 2*5*5*5 = 250
The prime factorization of 27 is 3 x 3 x 3.
ladder method
31 is already prime; no method required.
*)1 3)3 3)9 2)18 2)36 2)72 The prime factorization of 72 is 2 x 2 x 2 x 3 x 3.
139 is already prime; no factorization required.
ewan
145 5,29
it is fast and easy
It is: 7*7 = 49
*)1 5)5 3)15 2)30 The prime factorization of 30 is 2 x 3 x 5.
The concept of "prime factorization" is used for integers. It doesn't make sense to use it for fractions or decimals.
2, 5 and 7