SOLUTION: What is the lowest common multiple of 8,5,7,9 snd 6?
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Question 808847: What is the lowest common multiple of 8,5,7,9 snd 6?
Found 2 solutions by josmiceli, JBarnum:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
I come up with
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
First thing i do is figure out what the number has to look like
It has to end in a 5 or 0 to be divisible by 5
All the digits in that number when added together will have to equal 3,6, or 9 to be divisible by 3 since 9 and 6 are divisible by 3.
The first easiest number to find is just multiplying 8 5 7 9 6 together to get 15120 but thats not the lowest common multiple.
I simply started with 5 and 7 as they are prime and have to be multiplied together
9 is made up of two prime numbers 3 and 3
8 is made up of three prime numbers 2, 2, and 2
6 is made up of 2 and 3
Since 2 and 3 is already made up in 8 and 9 i decided to take that out of the line
8x5x7x9=2520
2520/6=420
All five numbers are divisible in 2520.
Thats my deduction theres prob a better formula or way to do it but this is how i doit.
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