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The least common multiple of 5 and 25 is 25Since 25 is a multiple of 5, it is automatically the LCM.
To find the least common multiple (LCM) of 10, 25, and 35, we first need to find the prime factorization of each number. The prime factorization of 10 is 2 x 5, 25 is 5 x 5, and 35 is 5 x 7. Then, we take the highest power of each prime factor that appears in the factorizations: 2 x 5 x 5 x 7 = 350. Therefore, the least common multiple of 10, 25, and 35 is 350.
To find the least common multiple (LCM) of 1.5 and 2.5, we need to convert them to integers by multiplying each by 10 to get 15 and 25. The LCM of 15 and 25 is 75, which when divided by 10 gives us the LCM of 1.5 and 2.5 as 7.5. Therefore, the least common multiple for 1.5 and 2.5 is 7.5.
The factors of 20 are 1, 2, 4, 5, 10, and 20. The factors of 50 are 1, 2, 5, 10, 25, and 50. The common factors of 20 and 50 are 1, 2, 5, and 10. Therefore, the least common factor (the smallest common factor) is 1.
To convert a fraction to a decimal, you divide the numerator by the denominator. In this case, 250 divided by 10 is 25. Therefore, 250 over 10 as a decimal is 25.