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What is the Least Common Multiple of 91902 and 91921?

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 91902 and 91921 is 8447723742.

LCM(91902,91921) = 8447723742

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Least Common Multiple of 91902 and 91921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91902 and 91921, than apply into the LCM equation.

GCF(91902,91921) = 1
LCM(91902,91921) = ( 91902 × 91921) / 1
LCM(91902,91921) = 8447723742 / 1
LCM(91902,91921) = 8447723742

Least Common Multiple (LCM) of 91902 and 91921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91902 and 91921. First we will calculate the prime factors of 91902 and 91921.

Prime Factorization of 91902

Prime factors of 91902 are 2, 3, 17, 53. Prime factorization of 91902 in exponential form is:

91902 = 21 × 31 × 172 × 531

Prime Factorization of 91921

Prime factors of 91921 are 91921. Prime factorization of 91921 in exponential form is:

91921 = 919211

Now multiplying the highest exponent prime factors to calculate the LCM of 91902 and 91921.

LCM(91902,91921) = 21 × 31 × 172 × 531 × 919211
LCM(91902,91921) = 8447723742