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What is the Least Common Multiple of 624 and 632?

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 624 and 632 is 49296.

LCM(624,632) = 49296

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Least Common Multiple of 624 and 632 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 624 and 632, than apply into the LCM equation.

GCF(624,632) = 8
LCM(624,632) = ( 624 × 632) / 8
LCM(624,632) = 394368 / 8
LCM(624,632) = 49296

Least Common Multiple (LCM) of 624 and 632 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 624 and 632. First we will calculate the prime factors of 624 and 632.

Prime Factorization of 624

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

624 = 24 × 31 × 131

Prime Factorization of 632

Prime factors of 632 are 2, 79. Prime factorization of 632 in exponential form is:

632 = 23 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 624 and 632.

LCM(624,632) = 24 × 31 × 131 × 791
LCM(624,632) = 49296