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How can you find the second common multiples of two numbers from the first?
To find the second common multiple of two numbers, you first need to identify the least common multiple (LCM) of the two numbers. The LCM is the smallest number that is a multiple of both numbers. Once you have the LCM, you can then find the second common multiple by adding the LCM to the LCM itself. This will give you the second common multiple of the two numbers.
If a composite number has the first five prime numbers as factors what is the smallest number it could be?
Just multiply the first five prime numbers! 2x3x5x7x11 = 6x35x11 = 210x11 = 2310. Any multiple of this number "has the first five prime numbers as factors", but 2310 is the smallest such number.
What is the smallest number divisible by 4 prime numbers?
The smallest number divisible by first four prime numbers is 2x3x5x7 = 210.
What is the smallest number divisible by the first three prime numbers?
The first three prime numbers are 2,3,5. The smallest number divisible by 2,3 and 5 is 30 (2*3*5).
What is the sum of 50 natural numbers?
The sum of the first 50 natural numbers is 1,251.
