The greatest common factor (GCF) is 5.
185 = 5 x 37
100 = 2 x 2 x 5 x 5
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1 5 37 and 185.
It is A/185.
3.7 The easiest way to do this, is to take 185 and put it over 100 instead of 50. 185/100 is easy as you move the decimal point 2 places to the left giving you 1.85. However, because you have divided 185 by 100 instead of 50, you need to timse it by 2 (because 50x2=100) giving you 3.7.
185 is composite because anything that has 5 in the ones place is always divisible by 5. A prime number is a number that can only divided equally by itself and 1, so since 185 is divisible by 185, 1, 5, and 37, it is not a prime number.
185