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What is the least common multiple of 15 and 25?
The LCM of 15 and 25 is 75. The least common multiple of two numbers is the product of the two numbers divided by their greatest common factor. The greatest common factor of 15 and 25 is 5. (See related question "What is the greatest common factor of 15 and 25?" for this calculation.) So, the least common multiple is 15 x 25 ÷ 5 = 75. The least common multiple (LCM) is often also called the lowest common multiple or smallest common multiple. Keep in mind that these different terms all refer to the same thing: the smallest positive integer which is a multiple of two or more numbers.
What is the highest common factor of 225 and 270?
To find the highest common factor (HCF) of 225 and 270, we first need to find the factors of each number. The factors of 225 are 1, 3, 5, 9, 15, 25, 45, 75, and 225. The factors of 270 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, and 270. The highest common factor of 225 and 270 is 45, as it is the largest factor that both numbers share.
What is the common factor of 75 48 and 32?
The factors of 32 are:1, 2, 4, 8, 16, 32The factors of 48 are:1, 2, 3, 4, 6, 8, 12, 16, 24, 48The factors of 75 are:1, 3, 5, 15, 25, 75The common factor is:1
What is bigger 13 15 or 21 25?
13/15 = 65/75 21/25 = 63/75 13/15 is bigger.
What is the least common multiple of 30 and 75?
least common multiple of 30 and 75 is 150.
