What is the Least Common Multiple of 545 and 551?
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 551 is 300295.
LCM(545,551) = 300295
Least Common Multiple of 545 and 551 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 551, than apply into the LCM equation.
GCF(545,551) = 1
LCM(545,551) = ( 545 × 551) / 1
LCM(545,551) = 300295 / 1
LCM(545,551) = 300295
Least Common Multiple (LCM) of 545 and 551 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 545 and 551. First we will calculate the prime factors of 545 and 551.
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 551
Prime factors of 551 are 19, 29. Prime factorization of 551 in exponential form is:
551 = 191 × 291
Now multiplying the highest exponent prime factors to calculate the LCM of 545 and 551.
LCM(545,551) = 51 × 1091 × 191 × 291
LCM(545,551) = 300295
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