What is the Least Common Multiple of 91817 and 91828?
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 91817 and 91828 is 766488316.
LCM(91817,91828) = 766488316
Least Common Multiple of 91817 and 91828 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91817 and 91828, than apply into the LCM equation.
GCF(91817,91828) = 11
LCM(91817,91828) = ( 91817 × 91828) / 11
LCM(91817,91828) = 8431371476 / 11
LCM(91817,91828) = 766488316
Least Common Multiple (LCM) of 91817 and 91828 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 91817 and 91828. First we will calculate the prime factors of 91817 and 91828.
Prime Factorization of 91817
Prime factors of 91817 are 11, 17, 491. Prime factorization of 91817 in exponential form is:
91817 = 111 × 171 × 4911
Prime Factorization of 91828
Prime factors of 91828 are 2, 11, 2087. Prime factorization of 91828 in exponential form is:
91828 = 22 × 111 × 20871
Now multiplying the highest exponent prime factors to calculate the LCM of 91817 and 91828.
LCM(91817,91828) = 111 × 171 × 4911 × 22 × 20871
LCM(91817,91828) = 766488316
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