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What is the Least Common Multiple of 67490 and 67504?

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 67490 and 67504 is 2277922480.

LCM(67490,67504) = 2277922480

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Least Common Multiple of 67490 and 67504 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67490 and 67504, than apply into the LCM equation.

GCF(67490,67504) = 2
LCM(67490,67504) = ( 67490 × 67504) / 2
LCM(67490,67504) = 4555844960 / 2
LCM(67490,67504) = 2277922480

Least Common Multiple (LCM) of 67490 and 67504 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67490 and 67504. First we will calculate the prime factors of 67490 and 67504.

Prime Factorization of 67490

Prime factors of 67490 are 2, 5, 17, 397. Prime factorization of 67490 in exponential form is:

67490 = 21 × 51 × 171 × 3971

Prime Factorization of 67504

Prime factors of 67504 are 2, 4219. Prime factorization of 67504 in exponential form is:

67504 = 24 × 42191

Now multiplying the highest exponent prime factors to calculate the LCM of 67490 and 67504.

LCM(67490,67504) = 24 × 51 × 171 × 3971 × 42191
LCM(67490,67504) = 2277922480