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More answers

1=1*1 (prime)

2=2*1 (prime)

3=3*1 (prime)

4=2*2

5=5*1 (prime)

6=3*2

7=7*1 (prime)

8=2*2*2

9=3*3

Start with primes:

1*2*3*5*7

Go through the rest:

4=2*2 (add *2 --> 1*2*2*3*5*7)

6=3*2 (already covered 1*2*2*3*5*7)

8=2*2*2 (add *2 --> 1*2*2*2*3*5*7)

9=3*3 (add *3 --> 1*2*2*2*3*3*5*7)

Calculate

1*2*2*2*3*3*5*7=

1*8*9*5*7=

72*35=2520

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14y ago
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Q: Smallest number divisible by 1-9
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