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What is the Least Common Multiple of 67445 and 67462?

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 67445 and 67462 is 4549974590.

LCM(67445,67462) = 4549974590

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Least Common Multiple of 67445 and 67462 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67445 and 67462, than apply into the LCM equation.

GCF(67445,67462) = 1
LCM(67445,67462) = ( 67445 × 67462) / 1
LCM(67445,67462) = 4549974590 / 1
LCM(67445,67462) = 4549974590

Least Common Multiple (LCM) of 67445 and 67462 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67445 and 67462. First we will calculate the prime factors of 67445 and 67462.

Prime Factorization of 67445

Prime factors of 67445 are 5, 7, 41, 47. Prime factorization of 67445 in exponential form is:

67445 = 51 × 71 × 411 × 471

Prime Factorization of 67462

Prime factors of 67462 are 2, 89, 379. Prime factorization of 67462 in exponential form is:

67462 = 21 × 891 × 3791

Now multiplying the highest exponent prime factors to calculate the LCM of 67445 and 67462.

LCM(67445,67462) = 51 × 71 × 411 × 471 × 21 × 891 × 3791
LCM(67445,67462) = 4549974590