420 = 2^2 x 3 x 5 x 7
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The prime factorization of 420 is: 2 × 2 × 3 × 5 × 7
97 is already prime. It doesn't need a factorization.
Find the prime factorization of 16.The prime factorization of 16 is: 2x2x2x2.
To find the greatest common factor (GCF) of 180, 450, and 420, we first need to find the prime factorization of each number. The prime factorization of 180 is 2^2 x 3^2 x 5, the prime factorization of 450 is 2 x 3^2 x 5^2, and the prime factorization of 420 is 2^2 x 3 x 5 x 7. The GCF is the product of the common prime factors raised to the lowest power, which in this case is 2^2 x 3 = 12. Therefore, the greatest common factor of 180, 450, and 420 is 12.
The prime factorization of 4 is 2 x 2. It is not possible to find the LCM of a single number.