perplexus.info :: Numbers : Y ask about Y ?

Y ask about Y ? (Posted on 2017-04-04)

(i)Y is a positive integer.
(ii) Y-1 is divisible by 5;
(iii) Y is divisible by 2,3,4,6,7,8 and 9.

What is the smallest Y?.

See The Solution Submitted by Ady TZIDON

Rating: 3.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

Better Late Than Never (spoiler)

| Comment 1 of 7

The least common multiple of 2,3,4,6,7,8,9

is just 7*8*9 = 504

The first multiple of 504 that ends in 1 or 6 is 4*504 = 2016

Final answer, 2016.

I guess this puzzle should have been posted last year (2016)

Posted by Steve Herman on 2017-04-04 10:35:12

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