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What is the Least Common Multiple of 30546 and 30558?

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 30546 and 30558 is 155570778.

LCM(30546,30558) = 155570778

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Least Common Multiple of 30546 and 30558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30546 and 30558, than apply into the LCM equation.

GCF(30546,30558) = 6
LCM(30546,30558) = ( 30546 × 30558) / 6
LCM(30546,30558) = 933424668 / 6
LCM(30546,30558) = 155570778

Least Common Multiple (LCM) of 30546 and 30558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30546 and 30558. First we will calculate the prime factors of 30546 and 30558.

Prime Factorization of 30546

Prime factors of 30546 are 2, 3, 1697. Prime factorization of 30546 in exponential form is:

30546 = 21 × 32 × 16971

Prime Factorization of 30558

Prime factors of 30558 are 2, 3, 11, 463. Prime factorization of 30558 in exponential form is:

30558 = 21 × 31 × 111 × 4631

Now multiplying the highest exponent prime factors to calculate the LCM of 30546 and 30558.

LCM(30546,30558) = 21 × 32 × 16971 × 111 × 4631
LCM(30546,30558) = 155570778