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What is the Least Common Multiple of 21352 and 21371?

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 21352 and 21371 is 456313592.

LCM(21352,21371) = 456313592

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Least Common Multiple of 21352 and 21371 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21352 and 21371, than apply into the LCM equation.

GCF(21352,21371) = 1
LCM(21352,21371) = ( 21352 × 21371) / 1
LCM(21352,21371) = 456313592 / 1
LCM(21352,21371) = 456313592

Least Common Multiple (LCM) of 21352 and 21371 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21352 and 21371. First we will calculate the prime factors of 21352 and 21371.

Prime Factorization of 21352

Prime factors of 21352 are 2, 17, 157. Prime factorization of 21352 in exponential form is:

21352 = 23 × 171 × 1571

Prime Factorization of 21371

Prime factors of 21371 are 7, 43, 71. Prime factorization of 21371 in exponential form is:

21371 = 71 × 431 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 21352 and 21371.

LCM(21352,21371) = 23 × 171 × 1571 × 71 × 431 × 711
LCM(21352,21371) = 456313592