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What is the Least Common Multiple of 675 and 694?

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 675 and 694 is 468450.

LCM(675,694) = 468450

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Least Common Multiple of 675 and 694 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 675 and 694, than apply into the LCM equation.

GCF(675,694) = 1
LCM(675,694) = ( 675 × 694) / 1
LCM(675,694) = 468450 / 1
LCM(675,694) = 468450

Least Common Multiple (LCM) of 675 and 694 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 675 and 694. First we will calculate the prime factors of 675 and 694.

Prime Factorization of 675

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

675 = 33 × 52

Prime Factorization of 694

Prime factors of 694 are 2, 347. Prime factorization of 694 in exponential form is:

694 = 21 × 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 675 and 694.

LCM(675,694) = 33 × 52 × 21 × 3471
LCM(675,694) = 468450