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What is the Least Common Multiple of 55998 and 56006?

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 55998 and 56006 is 1568111994.

LCM(55998,56006) = 1568111994

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Least Common Multiple of 55998 and 56006 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55998 and 56006, than apply into the LCM equation.

GCF(55998,56006) = 2
LCM(55998,56006) = ( 55998 × 56006) / 2
LCM(55998,56006) = 3136223988 / 2
LCM(55998,56006) = 1568111994

Least Common Multiple (LCM) of 55998 and 56006 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55998 and 56006. First we will calculate the prime factors of 55998 and 56006.

Prime Factorization of 55998

Prime factors of 55998 are 2, 3, 17, 61. Prime factorization of 55998 in exponential form is:

55998 = 21 × 33 × 171 × 611

Prime Factorization of 56006

Prime factors of 56006 are 2, 41, 683. Prime factorization of 56006 in exponential form is:

56006 = 21 × 411 × 6831

Now multiplying the highest exponent prime factors to calculate the LCM of 55998 and 56006.

LCM(55998,56006) = 21 × 33 × 171 × 611 × 411 × 6831
LCM(55998,56006) = 1568111994