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What is the Least Common Multiple of 71825 and 71830?

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 71825 and 71830 is 1031837950.

LCM(71825,71830) = 1031837950

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Least Common Multiple of 71825 and 71830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71825 and 71830, than apply into the LCM equation.

GCF(71825,71830) = 5
LCM(71825,71830) = ( 71825 × 71830) / 5
LCM(71825,71830) = 5159189750 / 5
LCM(71825,71830) = 1031837950

Least Common Multiple (LCM) of 71825 and 71830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71825 and 71830. First we will calculate the prime factors of 71825 and 71830.

Prime Factorization of 71825

Prime factors of 71825 are 5, 13, 17. Prime factorization of 71825 in exponential form is:

71825 = 52 × 132 × 171

Prime Factorization of 71830

Prime factors of 71830 are 2, 5, 11, 653. Prime factorization of 71830 in exponential form is:

71830 = 21 × 51 × 111 × 6531

Now multiplying the highest exponent prime factors to calculate the LCM of 71825 and 71830.

LCM(71825,71830) = 52 × 132 × 171 × 21 × 111 × 6531
LCM(71825,71830) = 1031837950