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What is the Least Common Multiple of 671 and 675?

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 671 and 675 is 452925.

LCM(671,675) = 452925

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Least Common Multiple of 671 and 675 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 671 and 675, than apply into the LCM equation.

GCF(671,675) = 1
LCM(671,675) = ( 671 × 675) / 1
LCM(671,675) = 452925 / 1
LCM(671,675) = 452925

Least Common Multiple (LCM) of 671 and 675 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 671 and 675. First we will calculate the prime factors of 671 and 675.

Prime Factorization of 671

Prime factors of 671 are 11, 61. Prime factorization of 671 in exponential form is:

671 = 111 × 611

Prime Factorization of 675

Prime factors of 675 are 3, 5. Prime factorization of 675 in exponential form is:

675 = 33 × 52

Now multiplying the highest exponent prime factors to calculate the LCM of 671 and 675.

LCM(671,675) = 111 × 611 × 33 × 52
LCM(671,675) = 452925