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What is the Least Common Multiple of 67392 and 67400?

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 67392 and 67400 is 567777600.

LCM(67392,67400) = 567777600

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Least Common Multiple of 67392 and 67400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67392 and 67400, than apply into the LCM equation.

GCF(67392,67400) = 8
LCM(67392,67400) = ( 67392 × 67400) / 8
LCM(67392,67400) = 4542220800 / 8
LCM(67392,67400) = 567777600

Least Common Multiple (LCM) of 67392 and 67400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67392 and 67400. First we will calculate the prime factors of 67392 and 67400.

Prime Factorization of 67392

Prime factors of 67392 are 2, 3, 13. Prime factorization of 67392 in exponential form is:

67392 = 26 × 34 × 131

Prime Factorization of 67400

Prime factors of 67400 are 2, 5, 337. Prime factorization of 67400 in exponential form is:

67400 = 23 × 52 × 3371

Now multiplying the highest exponent prime factors to calculate the LCM of 67392 and 67400.

LCM(67392,67400) = 26 × 34 × 131 × 52 × 3371
LCM(67392,67400) = 567777600