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What is the Least Common Multiple of 610 and 624?

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 610 and 624 is 190320.

LCM(610,624) = 190320

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Least Common Multiple of 610 and 624 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 610 and 624, than apply into the LCM equation.

GCF(610,624) = 2
LCM(610,624) = ( 610 × 624) / 2
LCM(610,624) = 380640 / 2
LCM(610,624) = 190320

Least Common Multiple (LCM) of 610 and 624 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 610 and 624. First we will calculate the prime factors of 610 and 624.

Prime Factorization of 610

Prime factors of 610 are 2, 5, 61. Prime factorization of 610 in exponential form is:

610 = 21 × 51 × 611

Prime Factorization of 624

Prime factors of 624 are 2, 3, 13. Prime factorization of 624 in exponential form is:

624 = 24 × 31 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 610 and 624.

LCM(610,624) = 24 × 51 × 611 × 31 × 131
LCM(610,624) = 190320