To determine if the first number is divisible by the second, you need to divide the first number by the second number. If the division result is a whole number without a remainder, then the first number is divisible by the second. For example, if the first number is 12 and the second number is 3, when you divide 12 by 3, the result is 4, which is a whole number, indicating that 12 is divisible by 3.
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The second number must be non-zero for the division to be defined.For the concept of divisibility to make sense the second number must be an integer.Then, the first number is divisible by the secondwhen the first number, modulo the second, is zero,or equivalently,when the remainder of the division of the first number by the second is zero.
The smallest number divisible by first four prime numbers is 2x3x5x7 = 210.
The third one.
The first three prime numbers are 2,3,5. The smallest number divisible by 2,3 and 5 is 30 (2*3*5).
A number that is divisible by both 10 and 11 must be divisible by their least common multiple, which is 110. To find a 4-digit number between 5200 and 5300 that is divisible by 110, we need to find the multiples of 110 in that range. The first multiple of 110 after 5200 is 5280, so the number you are looking for is 5280.