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What is the Least Common Multiple of 29640 and 29653?

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 29640 and 29653 is 67608840.

LCM(29640,29653) = 67608840

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Least Common Multiple of 29640 and 29653 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 29640 and 29653, than apply into the LCM equation.

GCF(29640,29653) = 13
LCM(29640,29653) = ( 29640 × 29653) / 13
LCM(29640,29653) = 878914920 / 13
LCM(29640,29653) = 67608840

Least Common Multiple (LCM) of 29640 and 29653 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 29640 and 29653. First we will calculate the prime factors of 29640 and 29653.

Prime Factorization of 29640

Prime factors of 29640 are 2, 3, 5, 13, 19. Prime factorization of 29640 in exponential form is:

29640 = 23 × 31 × 51 × 131 × 191

Prime Factorization of 29653

Prime factors of 29653 are 13, 2281. Prime factorization of 29653 in exponential form is:

29653 = 131 × 22811

Now multiplying the highest exponent prime factors to calculate the LCM of 29640 and 29653.

LCM(29640,29653) = 23 × 31 × 51 × 131 × 191 × 22811
LCM(29640,29653) = 67608840