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What is the Least Common Multiple of 86902 and 86921?

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 86902 and 86921 is 7553608742.

LCM(86902,86921) = 7553608742

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Least Common Multiple of 86902 and 86921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86902 and 86921, than apply into the LCM equation.

GCF(86902,86921) = 1
LCM(86902,86921) = ( 86902 × 86921) / 1
LCM(86902,86921) = 7553608742 / 1
LCM(86902,86921) = 7553608742

Least Common Multiple (LCM) of 86902 and 86921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86902 and 86921. First we will calculate the prime factors of 86902 and 86921.

Prime Factorization of 86902

Prime factors of 86902 are 2, 43451. Prime factorization of 86902 in exponential form is:

86902 = 21 × 434511

Prime Factorization of 86921

Prime factors of 86921 are 17, 5113. Prime factorization of 86921 in exponential form is:

86921 = 171 × 51131

Now multiplying the highest exponent prime factors to calculate the LCM of 86902 and 86921.

LCM(86902,86921) = 21 × 434511 × 171 × 51131
LCM(86902,86921) = 7553608742