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What is the Least Common Multiple of 77550 and 77558?

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 77550 and 77558 is 3007311450.

LCM(77550,77558) = 3007311450

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Least Common Multiple of 77550 and 77558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77550 and 77558, than apply into the LCM equation.

GCF(77550,77558) = 2
LCM(77550,77558) = ( 77550 × 77558) / 2
LCM(77550,77558) = 6014622900 / 2
LCM(77550,77558) = 3007311450

Least Common Multiple (LCM) of 77550 and 77558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77550 and 77558. First we will calculate the prime factors of 77550 and 77558.

Prime Factorization of 77550

Prime factors of 77550 are 2, 3, 5, 11, 47. Prime factorization of 77550 in exponential form is:

77550 = 21 × 31 × 52 × 111 × 471

Prime Factorization of 77558

Prime factors of 77558 are 2, 13, 19, 157. Prime factorization of 77558 in exponential form is:

77558 = 21 × 131 × 191 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 77550 and 77558.

LCM(77550,77558) = 21 × 31 × 52 × 111 × 471 × 131 × 191 × 1571
LCM(77550,77558) = 3007311450