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What is the Least Common Multiple of 42067 and 42087?

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 42067 and 42087 is 1770473829.

LCM(42067,42087) = 1770473829

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Least Common Multiple of 42067 and 42087 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42067 and 42087, than apply into the LCM equation.

GCF(42067,42087) = 1
LCM(42067,42087) = ( 42067 × 42087) / 1
LCM(42067,42087) = 1770473829 / 1
LCM(42067,42087) = 1770473829

Least Common Multiple (LCM) of 42067 and 42087 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42067 and 42087. First we will calculate the prime factors of 42067 and 42087.

Prime Factorization of 42067

Prime factors of 42067 are 23, 31, 59. Prime factorization of 42067 in exponential form is:

42067 = 231 × 311 × 591

Prime Factorization of 42087

Prime factors of 42087 are 3, 14029. Prime factorization of 42087 in exponential form is:

42087 = 31 × 140291

Now multiplying the highest exponent prime factors to calculate the LCM of 42067 and 42087.

LCM(42067,42087) = 231 × 311 × 591 × 31 × 140291
LCM(42067,42087) = 1770473829