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What is the Least Common Multiple of 415 and 427?

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 415 and 427 is 177205.

LCM(415,427) = 177205

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Least Common Multiple of 415 and 427 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 415 and 427, than apply into the LCM equation.

GCF(415,427) = 1
LCM(415,427) = ( 415 × 427) / 1
LCM(415,427) = 177205 / 1
LCM(415,427) = 177205

Least Common Multiple (LCM) of 415 and 427 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 415 and 427. First we will calculate the prime factors of 415 and 427.

Prime Factorization of 415

Prime factors of 415 are 5, 83. Prime factorization of 415 in exponential form is:

415 = 51 × 831

Prime Factorization of 427

Prime factors of 427 are 7, 61. Prime factorization of 427 in exponential form is:

427 = 71 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 415 and 427.

LCM(415,427) = 51 × 831 × 71 × 611
LCM(415,427) = 177205