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#### riemann75024

##### New member

- Oct 25, 2013

- 4

I am trying to figure out if there is a pre-existing theorem and proof of whether or not each of the binomial coefficients in a binomial expansion of (a +b)^n are divisible by n, particularly in the case where n is a prime number.

Has this already been asked and answered somewhere in the mathematics world? I am hoping this is already out there and if someone could point me to the theorem and its proof. If not, then perhaps it is something that can be easily proven? Any thoughts appreciated, thanks! My last university mathematics class was 20 years ago so needless to say I am kind of rusty