126 is a composite number
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126 and 49 are not relatively prime because they have 7 as a common prime factor.
The prime factors of 126 are 2 x 3 x 3 x 7.
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.
2x3x3x7
2*3*3*7=126