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What is the Least Common Multiple of 60408 and 60421?

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 60408 and 60421 is 3649911768.

LCM(60408,60421) = 3649911768

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Least Common Multiple of 60408 and 60421 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 60408 and 60421, than apply into the LCM equation.

GCF(60408,60421) = 1
LCM(60408,60421) = ( 60408 × 60421) / 1
LCM(60408,60421) = 3649911768 / 1
LCM(60408,60421) = 3649911768

Least Common Multiple (LCM) of 60408 and 60421 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 60408 and 60421. First we will calculate the prime factors of 60408 and 60421.

Prime Factorization of 60408

Prime factors of 60408 are 2, 3, 839. Prime factorization of 60408 in exponential form is:

60408 = 23 × 32 × 8391

Prime Factorization of 60421

Prime factors of 60421 are 23, 37, 71. Prime factorization of 60421 in exponential form is:

60421 = 231 × 371 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 60408 and 60421.

LCM(60408,60421) = 23 × 32 × 8391 × 231 × 371 × 711
LCM(60408,60421) = 3649911768