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Do you mean, what is it evenly divisible by?
You can answer questions like these by finding the factors of the number and multiplying different factors:
215 ends in 5, so we know 5 is one if its factors. Divide by 5: we're left with 43. 43 is a Prime number, it can't be factored any more. 215 is only divisible by 5 and 43.
As a better example of how this technique works, consider 100. 100's factors are 5, 5, 2, and 2. By multiplying together different factors, we can discover that 100 is not only divisible directly by its factors 5 and 2, but also by 5*5, 2*2, 5*2, 5*5*2 and 2*2*5.
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What number is 215 divisible by?
215 is divisble by 1, 5, 43 and 215.
What number is halfway between 150 and 280?
(150 + 280) ÷ 2 = 215
What number is 30 less than 215?
215 - 30 = 185. So, 185 is 30 less than 215.
What is 10 percent of 215?
To find 10 percent of 215, you can multiply 215 by 0.10 (which is the decimal form of 10 percent). This calculation would be 215 x 0.10 = 21.5. Therefore, 10 percent of 215 is 21.5.
What is 215 plus 20 percent?
258 To find a percent of a number, move the decimal place of the percent two places to the left and multiply that by the other number. 20% of 215 is 43 215+43=258
