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What is the Least Common Multiple of 55803 and 55815?

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 55803 and 55815 is 1038214815.

LCM(55803,55815) = 1038214815

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Least Common Multiple of 55803 and 55815 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55803 and 55815, than apply into the LCM equation.

GCF(55803,55815) = 3
LCM(55803,55815) = ( 55803 × 55815) / 3
LCM(55803,55815) = 3114644445 / 3
LCM(55803,55815) = 1038214815

Least Common Multiple (LCM) of 55803 and 55815 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55803 and 55815. First we will calculate the prime factors of 55803 and 55815.

Prime Factorization of 55803

Prime factors of 55803 are 3, 11, 19, 89. Prime factorization of 55803 in exponential form is:

55803 = 31 × 111 × 191 × 891

Prime Factorization of 55815

Prime factors of 55815 are 3, 5, 61. Prime factorization of 55815 in exponential form is:

55815 = 31 × 51 × 612

Now multiplying the highest exponent prime factors to calculate the LCM of 55803 and 55815.

LCM(55803,55815) = 31 × 111 × 191 × 891 × 51 × 612
LCM(55803,55815) = 1038214815