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What is the Least Common Multiple of 56300 and 56320?

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 56300 and 56320 is 158540800.

LCM(56300,56320) = 158540800

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Least Common Multiple of 56300 and 56320 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56300 and 56320, than apply into the LCM equation.

GCF(56300,56320) = 20
LCM(56300,56320) = ( 56300 × 56320) / 20
LCM(56300,56320) = 3170816000 / 20
LCM(56300,56320) = 158540800

Least Common Multiple (LCM) of 56300 and 56320 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56300 and 56320. First we will calculate the prime factors of 56300 and 56320.

Prime Factorization of 56300

Prime factors of 56300 are 2, 5, 563. Prime factorization of 56300 in exponential form is:

56300 = 22 × 52 × 5631

Prime Factorization of 56320

Prime factors of 56320 are 2, 5, 11. Prime factorization of 56320 in exponential form is:

56320 = 210 × 51 × 111

Now multiplying the highest exponent prime factors to calculate the LCM of 56300 and 56320.

LCM(56300,56320) = 210 × 52 × 5631 × 111
LCM(56300,56320) = 158540800