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What is the Least Common Multiple of 67670 and 67681?

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 67670 and 67681 is 4579973270.

LCM(67670,67681) = 4579973270

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Least Common Multiple of 67670 and 67681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67670 and 67681, than apply into the LCM equation.

GCF(67670,67681) = 1
LCM(67670,67681) = ( 67670 × 67681) / 1
LCM(67670,67681) = 4579973270 / 1
LCM(67670,67681) = 4579973270

Least Common Multiple (LCM) of 67670 and 67681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67670 and 67681. First we will calculate the prime factors of 67670 and 67681.

Prime Factorization of 67670

Prime factors of 67670 are 2, 5, 67, 101. Prime factorization of 67670 in exponential form is:

67670 = 21 × 51 × 671 × 1011

Prime Factorization of 67681

Prime factors of 67681 are 53, 1277. Prime factorization of 67681 in exponential form is:

67681 = 531 × 12771

Now multiplying the highest exponent prime factors to calculate the LCM of 67670 and 67681.

LCM(67670,67681) = 21 × 51 × 671 × 1011 × 531 × 12771
LCM(67670,67681) = 4579973270