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What is the Least Common Multiple of 67422 and 67432?

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 67422 and 67432 is 2273200152.

LCM(67422,67432) = 2273200152

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Least Common Multiple of 67422 and 67432 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67422 and 67432, than apply into the LCM equation.

GCF(67422,67432) = 2
LCM(67422,67432) = ( 67422 × 67432) / 2
LCM(67422,67432) = 4546400304 / 2
LCM(67422,67432) = 2273200152

Least Common Multiple (LCM) of 67422 and 67432 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67422 and 67432. First we will calculate the prime factors of 67422 and 67432.

Prime Factorization of 67422

Prime factors of 67422 are 2, 3, 17, 661. Prime factorization of 67422 in exponential form is:

67422 = 21 × 31 × 171 × 6611

Prime Factorization of 67432

Prime factors of 67432 are 2, 8429. Prime factorization of 67432 in exponential form is:

67432 = 23 × 84291

Now multiplying the highest exponent prime factors to calculate the LCM of 67422 and 67432.

LCM(67422,67432) = 23 × 31 × 171 × 6611 × 84291
LCM(67422,67432) = 2273200152