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What is the Least Common Multiple of 67405 and 67414?

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 67405 and 67414 is 4544040670.

LCM(67405,67414) = 4544040670

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Least Common Multiple of 67405 and 67414 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67405 and 67414, than apply into the LCM equation.

GCF(67405,67414) = 1
LCM(67405,67414) = ( 67405 × 67414) / 1
LCM(67405,67414) = 4544040670 / 1
LCM(67405,67414) = 4544040670

Least Common Multiple (LCM) of 67405 and 67414 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67405 and 67414. First we will calculate the prime factors of 67405 and 67414.

Prime Factorization of 67405

Prime factors of 67405 are 5, 13, 17, 61. Prime factorization of 67405 in exponential form is:

67405 = 51 × 131 × 171 × 611

Prime Factorization of 67414

Prime factors of 67414 are 2, 37, 911. Prime factorization of 67414 in exponential form is:

67414 = 21 × 371 × 9111

Now multiplying the highest exponent prime factors to calculate the LCM of 67405 and 67414.

LCM(67405,67414) = 51 × 131 × 171 × 611 × 21 × 371 × 9111
LCM(67405,67414) = 4544040670