What is the Least Common Multiple of 542 and 559?
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 542 and 559 is 302978.
LCM(542,559) = 302978
Least Common Multiple of 542 and 559 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 542 and 559, than apply into the LCM equation.
GCF(542,559) = 1
LCM(542,559) = ( 542 × 559) / 1
LCM(542,559) = 302978 / 1
LCM(542,559) = 302978
Least Common Multiple (LCM) of 542 and 559 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 542 and 559. First we will calculate the prime factors of 542 and 559.
Prime Factorization of 542
Prime factors of 542 are 2, 271. Prime factorization of 542 in exponential form is:
542 = 21 × 2711
Prime Factorization of 559
Prime factors of 559 are 13, 43. Prime factorization of 559 in exponential form is:
559 = 131 × 431
Now multiplying the highest exponent prime factors to calculate the LCM of 542 and 559.
LCM(542,559) = 21 × 2711 × 131 × 431
LCM(542,559) = 302978
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