/sci/ - Science & Math » Thread #12375838

138KiB, 735x792, IMO 1972.png

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Anonymous Mon 23 Nov 03:38:28 2020 No.12375838 View Reply Original Report

Quoted By: >>12376090

[IMO 1972] Could someone help me figure out how to come to this step ?

Anonymous

Anonymous Mon 23 Nov 2020 03:42:35 No.12375856 Report

Quoted By: >>12375877

The bit that interests me the most is how did the square became a multiplier of 2

Anonymous

Anonymous Mon 23 Nov 2020 03:50:45 No.12375877 Report

Quoted By:

>>12375856
because he's looking at the exponent of each distinct prime, brainlet

Anonymous

View Same Google iqdb SauceNAO ProofThink.png, 29KiB, 684x1496

Anonymous Mon 23 Nov 2020 05:07:08 No.12376090 Report

Quoted By: >>12376119

>>12375838
Think of a,b,c as sets of all prime powers that divide a,b,c respectively and gcd as intersection and lcm as union.
Multiplying or dividing just adds or subtracts multiplicities as if they are multisets.

Anonymous

Anonymous Mon 23 Nov 2020 05:18:04 No.12376119 Report

Quoted By: >>12376141

>>12376090
Wtf is the jew star for?

Anonymous

Anonymous Mon 23 Nov 2020 05:24:21 No.12376141 Report

Quoted By:

>>12376119
lulz

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