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What is the Least Common Multiple of 56872 and 56880?

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 56872 and 56880 is 404359920.

LCM(56872,56880) = 404359920

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Least Common Multiple of 56872 and 56880 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56872 and 56880, than apply into the LCM equation.

GCF(56872,56880) = 8
LCM(56872,56880) = ( 56872 × 56880) / 8
LCM(56872,56880) = 3234879360 / 8
LCM(56872,56880) = 404359920

Least Common Multiple (LCM) of 56872 and 56880 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56872 and 56880. First we will calculate the prime factors of 56872 and 56880.

Prime Factorization of 56872

Prime factors of 56872 are 2, 7109. Prime factorization of 56872 in exponential form is:

56872 = 23 × 71091

Prime Factorization of 56880

Prime factors of 56880 are 2, 3, 5, 79. Prime factorization of 56880 in exponential form is:

56880 = 24 × 32 × 51 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 56872 and 56880.

LCM(56872,56880) = 24 × 71091 × 32 × 51 × 791
LCM(56872,56880) = 404359920