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What is the Least Common Multiple of 67575 and 67580?

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 67575 and 67580 is 913343700.

LCM(67575,67580) = 913343700

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Least Common Multiple of 67575 and 67580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67575 and 67580, than apply into the LCM equation.

GCF(67575,67580) = 5
LCM(67575,67580) = ( 67575 × 67580) / 5
LCM(67575,67580) = 4566718500 / 5
LCM(67575,67580) = 913343700

Least Common Multiple (LCM) of 67575 and 67580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67575 and 67580. First we will calculate the prime factors of 67575 and 67580.

Prime Factorization of 67575

Prime factors of 67575 are 3, 5, 17, 53. Prime factorization of 67575 in exponential form is:

67575 = 31 × 52 × 171 × 531

Prime Factorization of 67580

Prime factors of 67580 are 2, 5, 31, 109. Prime factorization of 67580 in exponential form is:

67580 = 22 × 51 × 311 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 67575 and 67580.

LCM(67575,67580) = 31 × 52 × 171 × 531 × 22 × 311 × 1091
LCM(67575,67580) = 913343700