What is the Least Common Multiple of 18404 and 18410?
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 18404 and 18410 is 169408820.
LCM(18404,18410) = 169408820
Least Common Multiple of 18404 and 18410 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18404 and 18410, than apply into the LCM equation.
GCF(18404,18410) = 2
LCM(18404,18410) = ( 18404 × 18410) / 2
LCM(18404,18410) = 338817640 / 2
LCM(18404,18410) = 169408820
Least Common Multiple (LCM) of 18404 and 18410 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 18404 and 18410. First we will calculate the prime factors of 18404 and 18410.
Prime Factorization of 18404
Prime factors of 18404 are 2, 43, 107. Prime factorization of 18404 in exponential form is:
18404 = 22 × 431 × 1071
Prime Factorization of 18410
Prime factors of 18410 are 2, 5, 7, 263. Prime factorization of 18410 in exponential form is:
18410 = 21 × 51 × 71 × 2631
Now multiplying the highest exponent prime factors to calculate the LCM of 18404 and 18410.
LCM(18404,18410) = 22 × 431 × 1071 × 51 × 71 × 2631
LCM(18404,18410) = 169408820
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