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What is the Least Common Multiple of 75530 and 75545?

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 75530 and 75545 is 1141182770.

LCM(75530,75545) = 1141182770

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Least Common Multiple of 75530 and 75545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75530 and 75545, than apply into the LCM equation.

GCF(75530,75545) = 5
LCM(75530,75545) = ( 75530 × 75545) / 5
LCM(75530,75545) = 5705913850 / 5
LCM(75530,75545) = 1141182770

Least Common Multiple (LCM) of 75530 and 75545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75530 and 75545. First we will calculate the prime factors of 75530 and 75545.

Prime Factorization of 75530

Prime factors of 75530 are 2, 5, 7, 13, 83. Prime factorization of 75530 in exponential form is:

75530 = 21 × 51 × 71 × 131 × 831

Prime Factorization of 75545

Prime factors of 75545 are 5, 29, 521. Prime factorization of 75545 in exponential form is:

75545 = 51 × 291 × 5211

Now multiplying the highest exponent prime factors to calculate the LCM of 75530 and 75545.

LCM(75530,75545) = 21 × 51 × 71 × 131 × 831 × 291 × 5211
LCM(75530,75545) = 1141182770