Behold the Prime Factorization sweater, knit by Sondra Eklund. It depicts the prime factorization of every number from 1 to 100. Okay, look at the bottom row. It looks like there is a blank space on the left. That represents 1, because 1 is the background color, because 1 is a factor of every number. Next is a blue square, which represents 2. Next is a red square, for 3. Then comes 4. 4 = 2 x 2. So 4 is represented by two blue rectangles. Then comes 5. 5 is prime, so 5 gets a new color, yellow. Next is 6. 6 = 2 x 3. So 6 is represented by a blue rectangle and a red rectangle. 7 gets a new color, purple. And so on. Click through for more pictures and explanation.
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Behold the Prime Factorization sweater, knit by Sondra Eklund. It depicts the prime factorization of every number from 1 to 100.

Okay, look at the bottom row. It looks like there is a blank space on the left. That represents 1, because 1 is the background color, because 1 is a factor of every number. Next is a blue square, which represents 2. Next is a red square, for 3. Then comes 4. 4 = 2 x 2. So 4 is represented by two blue rectangles. Then comes 5. 5 is prime, so 5 gets a new color, yellow. Next is 6. 6 = 2 x 3. So 6 is represented by a blue rectangle and a red rectangle. 7 gets a new color, purple.

And so on. Click through for more pictures and explanation.

Source: sonderbooks.com

22 Notes/ Hide

  1. seraphina-snape reblogged this from pzlr and added:
    Fact: Sheldon Cooper owns this sweater. (His Meemaw knitted it for him.)
  2. mezzodical reblogged this from pzlr
  3. oneirikokosmo reblogged this from fuckyeahgeekknits
  4. comradelemon reblogged this from pzlr
  5. a-mead-gal reblogged this from pzlr
  6. youfoundmeonascreen reblogged this from fuckyeahgeekknits and added:
    That is incredible. Pattern?
  7. toilavi reblogged this from fuckyeahgeekknits and added:
    This sweater is freaking awesome!
  8. eipi-1 reblogged this from fuckyeahgeekknits and added:
    oh my god I want this so much oh my god I can’t even oh my god
  9. fuckyeahgeekknits reblogged this from pzlr
  10. pzlr posted this

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