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2,5,9,10,19,22 which are prime?
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which ones can you only divide by 1 evenly?
for example 9/3 = 3 i can divide by 3 which is not 1 so NOT prime
why did u divide 9 & 3?
because i can, its a test to see if 9 is prime. for each number, try to divide by 2,3,4,5... if nothing works then it is prime *oh and dont divide the number by itself
ok ill try
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so 2, 9, 10, 22 ??
are those prime or not prime
prime
5 and 19 is not
ok i want you think the exact opposite 5 and 19 are prime because no other numbers divide evenly into them 2 is actually also prime because remember dividing by itself doesnt count, 2 is a tricky one though
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ohhh okay
gotcha. thank youuu!
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