What is the Least Common Multiple of 66890 and 66895?
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 66890 and 66895 is 894921310.
LCM(66890,66895) = 894921310
Least Common Multiple of 66890 and 66895 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66890 and 66895, than apply into the LCM equation.
GCF(66890,66895) = 5
LCM(66890,66895) = ( 66890 × 66895) / 5
LCM(66890,66895) = 4474606550 / 5
LCM(66890,66895) = 894921310
Least Common Multiple (LCM) of 66890 and 66895 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 66890 and 66895. First we will calculate the prime factors of 66890 and 66895.
Prime Factorization of 66890
Prime factors of 66890 are 2, 5, 6689. Prime factorization of 66890 in exponential form is:
66890 = 21 × 51 × 66891
Prime Factorization of 66895
Prime factors of 66895 are 5, 17, 787. Prime factorization of 66895 in exponential form is:
66895 = 51 × 171 × 7871
Now multiplying the highest exponent prime factors to calculate the LCM of 66890 and 66895.
LCM(66890,66895) = 21 × 51 × 66891 × 171 × 7871
LCM(66890,66895) = 894921310
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