What is the Least Common Multiple of 549 and 553?
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 549 and 553 is 303597.
LCM(549,553) = 303597
Least Common Multiple of 549 and 553 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 549 and 553, than apply into the LCM equation.
GCF(549,553) = 1
LCM(549,553) = ( 549 × 553) / 1
LCM(549,553) = 303597 / 1
LCM(549,553) = 303597
Least Common Multiple (LCM) of 549 and 553 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 549 and 553. First we will calculate the prime factors of 549 and 553.
Prime Factorization of 549
Prime factors of 549 are 3, 61. Prime factorization of 549 in exponential form is:
549 = 32 × 611
Prime Factorization of 553
Prime factors of 553 are 7, 79. Prime factorization of 553 in exponential form is:
553 = 71 × 791
Now multiplying the highest exponent prime factors to calculate the LCM of 549 and 553.
LCM(549,553) = 32 × 611 × 71 × 791
LCM(549,553) = 303597
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