What is the Least Common Multiple of 64900 and 64909?
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 64900 and 64909 is 4212594100.
LCM(64900,64909) = 4212594100
Least Common Multiple of 64900 and 64909 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64900 and 64909, than apply into the LCM equation.
GCF(64900,64909) = 1
LCM(64900,64909) = ( 64900 × 64909) / 1
LCM(64900,64909) = 4212594100 / 1
LCM(64900,64909) = 4212594100
Least Common Multiple (LCM) of 64900 and 64909 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 64900 and 64909. First we will calculate the prime factors of 64900 and 64909.
Prime Factorization of 64900
Prime factors of 64900 are 2, 5, 11, 59. Prime factorization of 64900 in exponential form is:
64900 = 22 × 52 × 111 × 591
Prime Factorization of 64909
Prime factors of 64909 are 13, 4993. Prime factorization of 64909 in exponential form is:
64909 = 131 × 49931
Now multiplying the highest exponent prime factors to calculate the LCM of 64900 and 64909.
LCM(64900,64909) = 22 × 52 × 111 × 591 × 131 × 49931
LCM(64900,64909) = 4212594100
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