What is the Least Common Multiple of 16778 and 16788?
Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.
Least common multiple (LCM) of 16778 and 16788 is 140834532.
LCM(16778,16788) = 140834532
Least Common Multiple of 16778 and 16788 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16778 and 16788, than apply into the LCM equation.
GCF(16778,16788) = 2
LCM(16778,16788) = ( 16778 × 16788) / 2
LCM(16778,16788) = 281669064 / 2
LCM(16778,16788) = 140834532
Least Common Multiple (LCM) of 16778 and 16788 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 16778 and 16788. First we will calculate the prime factors of 16778 and 16788.
Prime Factorization of 16778
Prime factors of 16778 are 2, 8389. Prime factorization of 16778 in exponential form is:
16778 = 21 × 83891
Prime Factorization of 16788
Prime factors of 16788 are 2, 3, 1399. Prime factorization of 16788 in exponential form is:
16788 = 22 × 31 × 13991
Now multiplying the highest exponent prime factors to calculate the LCM of 16778 and 16788.
LCM(16778,16788) = 22 × 83891 × 31 × 13991
LCM(16778,16788) = 140834532
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