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What is the Least Common Multiple of 60421 and 60438?

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 60421 and 60438 is 3651724398.

LCM(60421,60438) = 3651724398

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Least Common Multiple of 60421 and 60438 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 60421 and 60438, than apply into the LCM equation.

GCF(60421,60438) = 1
LCM(60421,60438) = ( 60421 × 60438) / 1
LCM(60421,60438) = 3651724398 / 1
LCM(60421,60438) = 3651724398

Least Common Multiple (LCM) of 60421 and 60438 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 60421 and 60438. First we will calculate the prime factors of 60421 and 60438.

Prime Factorization of 60421

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

60421 = 231 × 371 × 711

Prime Factorization of 60438

Prime factors of 60438 are 2, 3, 7, 1439. Prime factorization of 60438 in exponential form is:

60438 = 21 × 31 × 71 × 14391

Now multiplying the highest exponent prime factors to calculate the LCM of 60421 and 60438.

LCM(60421,60438) = 231 × 371 × 711 × 21 × 31 × 71 × 14391
LCM(60421,60438) = 3651724398