What is the Least Common Multiple of 65409 and 65413?
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 65409 and 65413 is 4278598917.
LCM(65409,65413) = 4278598917
Least Common Multiple of 65409 and 65413 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65409 and 65413, than apply into the LCM equation.
GCF(65409,65413) = 1
LCM(65409,65413) = ( 65409 × 65413) / 1
LCM(65409,65413) = 4278598917 / 1
LCM(65409,65413) = 4278598917
Least Common Multiple (LCM) of 65409 and 65413 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 65409 and 65413. First we will calculate the prime factors of 65409 and 65413.
Prime Factorization of 65409
Prime factors of 65409 are 3, 21803. Prime factorization of 65409 in exponential form is:
65409 = 31 × 218031
Prime Factorization of 65413
Prime factors of 65413 are 65413. Prime factorization of 65413 in exponential form is:
65413 = 654131
Now multiplying the highest exponent prime factors to calculate the LCM of 65409 and 65413.
LCM(65409,65413) = 31 × 218031 × 654131
LCM(65409,65413) = 4278598917
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