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What is the Least Common Multiple of 99490 and 99505?

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 99490 and 99505 is 1979950490.

LCM(99490,99505) = 1979950490

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Least Common Multiple of 99490 and 99505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99490 and 99505, than apply into the LCM equation.

GCF(99490,99505) = 5
LCM(99490,99505) = ( 99490 × 99505) / 5
LCM(99490,99505) = 9899752450 / 5
LCM(99490,99505) = 1979950490

Least Common Multiple (LCM) of 99490 and 99505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99490 and 99505. First we will calculate the prime factors of 99490 and 99505.

Prime Factorization of 99490

Prime factors of 99490 are 2, 5, 9949. Prime factorization of 99490 in exponential form is:

99490 = 21 × 51 × 99491

Prime Factorization of 99505

Prime factors of 99505 are 5, 7, 2843. Prime factorization of 99505 in exponential form is:

99505 = 51 × 71 × 28431

Now multiplying the highest exponent prime factors to calculate the LCM of 99490 and 99505.

LCM(99490,99505) = 21 × 51 × 99491 × 71 × 28431
LCM(99490,99505) = 1979950490