Find, the LCM by Prime factorization
method i 16, 32,42
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16 2 8 2 4 2 2 2 1
32 2 16 2 8 2 4 2 2 2 1
42 2 21 3 7 7 1
Prime factors of 16 = 2^4
Prime factors of 32 = 2^5
Prime factors of 42 = 2 . 3 . 7
Common prime factors: 2
Common prime factors with the greatest exponent: 25
Uncommon prime factors: 3 , 7 , 19
Uncommon prime factors with the greatest exponent: 31, 71, 191
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Answer:
16 = 2×2×2×2
32 = 2×2×2×2×2
42 = 2×3×7
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