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What is the Least Common Multiple of 43185 and 43198?

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 43185 and 43198 is 1865505630.

LCM(43185,43198) = 1865505630

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Least Common Multiple of 43185 and 43198 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43185 and 43198, than apply into the LCM equation.

GCF(43185,43198) = 1
LCM(43185,43198) = ( 43185 × 43198) / 1
LCM(43185,43198) = 1865505630 / 1
LCM(43185,43198) = 1865505630

Least Common Multiple (LCM) of 43185 and 43198 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43185 and 43198. First we will calculate the prime factors of 43185 and 43198.

Prime Factorization of 43185

Prime factors of 43185 are 3, 5, 2879. Prime factorization of 43185 in exponential form is:

43185 = 31 × 51 × 28791

Prime Factorization of 43198

Prime factors of 43198 are 2, 21599. Prime factorization of 43198 in exponential form is:

43198 = 21 × 215991

Now multiplying the highest exponent prime factors to calculate the LCM of 43185 and 43198.

LCM(43185,43198) = 31 × 51 × 28791 × 21 × 215991
LCM(43185,43198) = 1865505630