To find the Least Common Multiple (LCM) of two numbers, you first need to find the prime factors of each number. The prime factors of 245 are 5 x 7 x 7, and the prime factors of 175 are 5 x 5 x 7. To find the LCM, you need to take the highest power of each prime factor that appears in either number, which is 5 x 7 x 7 = 245. Therefore, the LCM of 245 and 175 is 245.
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