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What is the Least Common Multiple of 607 and 621?

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 607 and 621 is 376947.

LCM(607,621) = 376947

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Least Common Multiple of 607 and 621 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 607 and 621, than apply into the LCM equation.

GCF(607,621) = 1
LCM(607,621) = ( 607 × 621) / 1
LCM(607,621) = 376947 / 1
LCM(607,621) = 376947

Least Common Multiple (LCM) of 607 and 621 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 607 and 621. First we will calculate the prime factors of 607 and 621.

Prime Factorization of 607

Prime factors of 607 are 607. Prime factorization of 607 in exponential form is:

607 = 6071

Prime Factorization of 621

Prime factors of 621 are 3, 23. Prime factorization of 621 in exponential form is:

621 = 33 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 607 and 621.

LCM(607,621) = 6071 × 33 × 231
LCM(607,621) = 376947