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What is the Least Common Multiple of 545 and 554?

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 545 and 554 is 301930.

LCM(545,554) = 301930

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Least Common Multiple of 545 and 554 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 545 and 554, than apply into the LCM equation.

GCF(545,554) = 1
LCM(545,554) = ( 545 × 554) / 1
LCM(545,554) = 301930 / 1
LCM(545,554) = 301930

Least Common Multiple (LCM) of 545 and 554 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 545 and 554. First we will calculate the prime factors of 545 and 554.

Prime Factorization of 545

Prime factors of 545 are 5, 109. Prime factorization of 545 in exponential form is:

545 = 51 × 1091

Prime Factorization of 554

Prime factors of 554 are 2, 277. Prime factorization of 554 in exponential form is:

554 = 21 × 2771

Now multiplying the highest exponent prime factors to calculate the LCM of 545 and 554.

LCM(545,554) = 51 × 1091 × 21 × 2771
LCM(545,554) = 301930