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What is the Least Common Multiple of 42500 and 42518?

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 42500 and 42518 is 903507500.

LCM(42500,42518) = 903507500

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Least Common Multiple of 42500 and 42518 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42500 and 42518, than apply into the LCM equation.

GCF(42500,42518) = 2
LCM(42500,42518) = ( 42500 × 42518) / 2
LCM(42500,42518) = 1807015000 / 2
LCM(42500,42518) = 903507500

Least Common Multiple (LCM) of 42500 and 42518 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42500 and 42518. First we will calculate the prime factors of 42500 and 42518.

Prime Factorization of 42500

Prime factors of 42500 are 2, 5, 17. Prime factorization of 42500 in exponential form is:

42500 = 22 × 54 × 171

Prime Factorization of 42518

Prime factors of 42518 are 2, 7, 3037. Prime factorization of 42518 in exponential form is:

42518 = 21 × 71 × 30371

Now multiplying the highest exponent prime factors to calculate the LCM of 42500 and 42518.

LCM(42500,42518) = 22 × 54 × 171 × 71 × 30371
LCM(42500,42518) = 903507500