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What is the Least Common Multiple of 75040 and 75052?

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 75040 and 75052 is 1407975520.

LCM(75040,75052) = 1407975520

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Least Common Multiple of 75040 and 75052 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75040 and 75052, than apply into the LCM equation.

GCF(75040,75052) = 4
LCM(75040,75052) = ( 75040 × 75052) / 4
LCM(75040,75052) = 5631902080 / 4
LCM(75040,75052) = 1407975520

Least Common Multiple (LCM) of 75040 and 75052 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75040 and 75052. First we will calculate the prime factors of 75040 and 75052.

Prime Factorization of 75040

Prime factors of 75040 are 2, 5, 7, 67. Prime factorization of 75040 in exponential form is:

75040 = 25 × 51 × 71 × 671

Prime Factorization of 75052

Prime factors of 75052 are 2, 29, 647. Prime factorization of 75052 in exponential form is:

75052 = 22 × 291 × 6471

Now multiplying the highest exponent prime factors to calculate the LCM of 75040 and 75052.

LCM(75040,75052) = 25 × 51 × 71 × 671 × 291 × 6471
LCM(75040,75052) = 1407975520