SOLUTION: Please help me solve this problem. Let N = 20 x 30 x 50 x 70 x 110 x 130 . Find the smallest positive prime number which is NOT a factor of 10. Please explain your answer.

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Question 168659: Please help me solve this problem.

Let N = 20 x 30 x 50 x 70 x 110 x 130 . Find the smallest positive prime number which is NOT a factor of 10. Please explain your answer.

Found 2 solutions by vleith, Alan3354:
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
N+=+20+%2A+30+%2A+50+%2A+70+%2A+110+%2A+130
N+=+2+%2A10+%2A+3%2A+10+%2A+5%2A+10+%2A+7%2A+10+%2A+11+%2A+10+%2A+13+%2A+10
The only prime numbers in the result are 2 ,3, 5, 7, 11 and 13
The smallest one is 2; but 2 is a factor of 10
So the smallest one not a factor of 10 is 3

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Please help me solve this problem.
Let N = 20 x 30 x 50 x 70 x 110 x 130 .
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Ok, that's N.
Did you want someone to multiply those numbers?
It's 30030000000.
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Find the smallest positive prime number which is NOT a factor of 10. Please explain your answer.
The smallest prime number is 2. The next one is 3. 3 is NOT a factor of 10, 2 is.
So it's 3.