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Well because it can be divide by 19 and 7 by 1 and its self. A prime number can only be divided by 1 and its self. In this case the number 133 is not only divisible by 1 and i…tself it is also divisible by 19 ,7 which makes it composite. (MORE)

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In Numbers

One is a special number because it is neither prime nor composite. It only has one factor, which is one. It can also be multiplied to any number to not change the product from… the original number. (MORE)

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In Numbers

Numbers are unlimited... The largest one I can think of with a specific name is Graham's number. It's so large that writing it, even in scientific notation, would require mo…re space than there is in the entire universe. However, it's possible to come up with algorithms to generate even larger numbers, like Tree(3). The link to the Wikipedia article on Graham's number contains links to some other very large numbers. (MORE)

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Yes, because it can be divided by numbers that are not 1 or itself and produce another whole number. 30 / 2 = 15, and 30 / 5 = 6.

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In Numbers

The number zero, 0, has no numbers. It has been given a number but contains nothing. The definition of zero is 'A cardinal number indicating the absence of any or all units un…der consideration.' (see related link for verification.) (MORE)

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In Numbers

The significant digits in a number can be arbitrarily small or large in number, according to the method of creating them. Numbers that can have an infinite number of possibl…e significant digits are called transcendental numbers. (MORE)

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A number is something that has a value of some sort, and adding two numbers, will get you another value.

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In Numbers

I saw a truck marked 32 and i gambled on it and it won so use numbers visible to you and form a set of lotto numbers who to tell you might just be lucky

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In Numbers

There is an infinite amount of these numbers. Ex. 11, 13, 15, 17, 19, 21, 41, 51, 71, 123.

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20c + 5 = 5c + 65 Divide through by 5: 4c + 1 = c + 13 Subtract c from both sides: 3c + 1 = 13 Subtract 1 from both sides: 3c = 12 Divide both sides by 3: c = 4 20c + 5 = 5c …+65 20c - 5c= 65 - 5.
15c = 60.
15c/15 = 60/15.
c = 4 (alternative method). (MORE)