What is the Least Common Multiple of 606 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 606 and 621 is 125442.
LCM(606,621) = 125442
Least Common Multiple of 606 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 606 and 621, than apply into the LCM equation.
GCF(606,621) = 3
LCM(606,621) = ( 606 × 621) / 3
LCM(606,621) = 376326 / 3
LCM(606,621) = 125442
Least Common Multiple (LCM) of 606 and 621 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 606 and 621. First we will calculate the prime factors of 606 and 621.
Prime Factorization of 606
Prime factors of 606 are 2, 3, 101. Prime factorization of 606 in exponential form is:
606 = 21 × 31 × 1011
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 606 and 621.
LCM(606,621) = 21 × 33 × 1011 × 231
LCM(606,621) = 125442
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