What is the Least Common Multiple of 66458 and 66474?
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 66458 and 66474 is 2208864546.
LCM(66458,66474) = 2208864546
Least Common Multiple of 66458 and 66474 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66458 and 66474, than apply into the LCM equation.
GCF(66458,66474) = 2
LCM(66458,66474) = ( 66458 × 66474) / 2
LCM(66458,66474) = 4417729092 / 2
LCM(66458,66474) = 2208864546
Least Common Multiple (LCM) of 66458 and 66474 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 66458 and 66474. First we will calculate the prime factors of 66458 and 66474.
Prime Factorization of 66458
Prime factors of 66458 are 2, 7, 47, 101. Prime factorization of 66458 in exponential form is:
66458 = 21 × 71 × 471 × 1011
Prime Factorization of 66474
Prime factors of 66474 are 2, 3, 1231. Prime factorization of 66474 in exponential form is:
66474 = 21 × 33 × 12311
Now multiplying the highest exponent prime factors to calculate the LCM of 66458 and 66474.
LCM(66458,66474) = 21 × 71 × 471 × 1011 × 33 × 12311
LCM(66458,66474) = 2208864546
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