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29 July, 12:01

1. Find the LCM of each group of the following

(a) 12

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Answers (1)
  1. 29 July, 14:21
    0
    A) using prime factorization (dividing with a prime factor until everything is a prime number, then multiplying the prime numbers by each other once), u can calculate their lcm

    122=2x61

    15=5x3

    834=2x3x139

    then multiply the prime factors once,

    2x3x5x61x139 = 254,370

    b) i'm assuming that u solve the equation first bc u didnt put any commas

    42-12-16=14

    3-92+20=-69

    do prime factorization

    14=2x7

    -69=-23x3

    multiply the factors

    -23x7x3x2=-966
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