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What is the Least Common Multiple of 42899 and 42918?

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 42899 and 42918 is 1841139282.

LCM(42899,42918) = 1841139282

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Least Common Multiple of 42899 and 42918 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42899 and 42918, than apply into the LCM equation.

GCF(42899,42918) = 1
LCM(42899,42918) = ( 42899 × 42918) / 1
LCM(42899,42918) = 1841139282 / 1
LCM(42899,42918) = 1841139282

Least Common Multiple (LCM) of 42899 and 42918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42899 and 42918. First we will calculate the prime factors of 42899 and 42918.

Prime Factorization of 42899

Prime factors of 42899 are 42899. Prime factorization of 42899 in exponential form is:

42899 = 428991

Prime Factorization of 42918

Prime factors of 42918 are 2, 3, 23, 311. Prime factorization of 42918 in exponential form is:

42918 = 21 × 31 × 231 × 3111

Now multiplying the highest exponent prime factors to calculate the LCM of 42899 and 42918.

LCM(42899,42918) = 428991 × 21 × 31 × 231 × 3111
LCM(42899,42918) = 1841139282