What is the Least Common Multiple of 66770 and 66788?
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 66770 and 66788 is 2229717380.
LCM(66770,66788) = 2229717380
Least Common Multiple of 66770 and 66788 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66770 and 66788, than apply into the LCM equation.
GCF(66770,66788) = 2
LCM(66770,66788) = ( 66770 × 66788) / 2
LCM(66770,66788) = 4459434760 / 2
LCM(66770,66788) = 2229717380
Least Common Multiple (LCM) of 66770 and 66788 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 66770 and 66788. First we will calculate the prime factors of 66770 and 66788.
Prime Factorization of 66770
Prime factors of 66770 are 2, 5, 11, 607. Prime factorization of 66770 in exponential form is:
66770 = 21 × 51 × 111 × 6071
Prime Factorization of 66788
Prime factors of 66788 are 2, 59, 283. Prime factorization of 66788 in exponential form is:
66788 = 22 × 591 × 2831
Now multiplying the highest exponent prime factors to calculate the LCM of 66770 and 66788.
LCM(66770,66788) = 22 × 51 × 111 × 6071 × 591 × 2831
LCM(66770,66788) = 2229717380
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