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What is the Least Common Multiple of 87021 and 87038?

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 87021 and 87038 is 7574133798.

LCM(87021,87038) = 7574133798

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Least Common Multiple of 87021 and 87038 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87021 and 87038, than apply into the LCM equation.

GCF(87021,87038) = 1
LCM(87021,87038) = ( 87021 × 87038) / 1
LCM(87021,87038) = 7574133798 / 1
LCM(87021,87038) = 7574133798

Least Common Multiple (LCM) of 87021 and 87038 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87021 and 87038. First we will calculate the prime factors of 87021 and 87038.

Prime Factorization of 87021

Prime factors of 87021 are 3, 11, 293. Prime factorization of 87021 in exponential form is:

87021 = 33 × 111 × 2931

Prime Factorization of 87038

Prime factors of 87038 are 2, 7, 6217. Prime factorization of 87038 in exponential form is:

87038 = 21 × 71 × 62171

Now multiplying the highest exponent prime factors to calculate the LCM of 87021 and 87038.

LCM(87021,87038) = 33 × 111 × 2931 × 21 × 71 × 62171
LCM(87021,87038) = 7574133798