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What is the Least Common Multiple of 10502 and 10520?

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 10502 and 10520 is 55240520.

LCM(10502,10520) = 55240520

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Least Common Multiple of 10502 and 10520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10502 and 10520, than apply into the LCM equation.

GCF(10502,10520) = 2
LCM(10502,10520) = ( 10502 × 10520) / 2
LCM(10502,10520) = 110481040 / 2
LCM(10502,10520) = 55240520

Least Common Multiple (LCM) of 10502 and 10520 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10502 and 10520. First we will calculate the prime factors of 10502 and 10520.

Prime Factorization of 10502

Prime factors of 10502 are 2, 59, 89. Prime factorization of 10502 in exponential form is:

10502 = 21 × 591 × 891

Prime Factorization of 10520

Prime factors of 10520 are 2, 5, 263. Prime factorization of 10520 in exponential form is:

10520 = 23 × 51 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 10502 and 10520.

LCM(10502,10520) = 23 × 591 × 891 × 51 × 2631
LCM(10502,10520) = 55240520