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What is the Least Common Multiple of 56530 and 56545?

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 56530 and 56545 is 639297770.

LCM(56530,56545) = 639297770

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Least Common Multiple of 56530 and 56545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56530 and 56545, than apply into the LCM equation.

GCF(56530,56545) = 5
LCM(56530,56545) = ( 56530 × 56545) / 5
LCM(56530,56545) = 3196488850 / 5
LCM(56530,56545) = 639297770

Least Common Multiple (LCM) of 56530 and 56545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56530 and 56545. First we will calculate the prime factors of 56530 and 56545.

Prime Factorization of 56530

Prime factors of 56530 are 2, 5, 5653. Prime factorization of 56530 in exponential form is:

56530 = 21 × 51 × 56531

Prime Factorization of 56545

Prime factors of 56545 are 5, 43, 263. Prime factorization of 56545 in exponential form is:

56545 = 51 × 431 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 56530 and 56545.

LCM(56530,56545) = 21 × 51 × 56531 × 431 × 2631
LCM(56530,56545) = 639297770