80 Divide by two.
40,2 Divide by two.
20,2,2 Divide by two.
10,2,2,2 Divide by two.
5,2,2,2,2 Stop.
2 x 2 x 2 x 2 x 5 = 80
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The prime power factorization of 80 is 24 x 5.
Prime factorization of 540 = 2x2x3x3x3x5 Prime factorization of 80 = 2x2x2x2x5
The least common multiple (LCM) of 40, 80, and 128 is 640. To find the LCM, you can find the prime factors of each number and then take the highest power of each prime factor that appears in any of the numbers. In this case, the prime factorization of 40 is 2^3 * 5, the prime factorization of 80 is 2^4 * 5, and the prime factorization of 128 is 2^7. Taking the highest powers, we get 2^7 * 5 = 640.
103 is already prime, no need for a factorization.
The prime factorization of 122 is: 2 x 61