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What is the Least Common Multiple of 70518 and 70523?

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 70518 and 70523 is 4973140914.

LCM(70518,70523) = 4973140914

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Least Common Multiple of 70518 and 70523 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70518 and 70523, than apply into the LCM equation.

GCF(70518,70523) = 1
LCM(70518,70523) = ( 70518 × 70523) / 1
LCM(70518,70523) = 4973140914 / 1
LCM(70518,70523) = 4973140914

Least Common Multiple (LCM) of 70518 and 70523 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70518 and 70523. First we will calculate the prime factors of 70518 and 70523.

Prime Factorization of 70518

Prime factors of 70518 are 2, 3, 7, 23, 73. Prime factorization of 70518 in exponential form is:

70518 = 21 × 31 × 71 × 231 × 731

Prime Factorization of 70523

Prime factors of 70523 are 109, 647. Prime factorization of 70523 in exponential form is:

70523 = 1091 × 6471

Now multiplying the highest exponent prime factors to calculate the LCM of 70518 and 70523.

LCM(70518,70523) = 21 × 31 × 71 × 231 × 731 × 1091 × 6471
LCM(70518,70523) = 4973140914