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What is the Least Common Multiple of 75369 and 75380?

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 75369 and 75380 is 5681315220.

LCM(75369,75380) = 5681315220

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Least Common Multiple of 75369 and 75380 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75369 and 75380, than apply into the LCM equation.

GCF(75369,75380) = 1
LCM(75369,75380) = ( 75369 × 75380) / 1
LCM(75369,75380) = 5681315220 / 1
LCM(75369,75380) = 5681315220

Least Common Multiple (LCM) of 75369 and 75380 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75369 and 75380. First we will calculate the prime factors of 75369 and 75380.

Prime Factorization of 75369

Prime factors of 75369 are 3, 7, 37, 97. Prime factorization of 75369 in exponential form is:

75369 = 31 × 71 × 371 × 971

Prime Factorization of 75380

Prime factors of 75380 are 2, 5, 3769. Prime factorization of 75380 in exponential form is:

75380 = 22 × 51 × 37691

Now multiplying the highest exponent prime factors to calculate the LCM of 75369 and 75380.

LCM(75369,75380) = 31 × 71 × 371 × 971 × 22 × 51 × 37691
LCM(75369,75380) = 5681315220