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What is the Least Common Multiple of 42812 and 42825?

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 42812 and 42825 is 1833423900.

LCM(42812,42825) = 1833423900

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Least Common Multiple of 42812 and 42825 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42812 and 42825, than apply into the LCM equation.

GCF(42812,42825) = 1
LCM(42812,42825) = ( 42812 × 42825) / 1
LCM(42812,42825) = 1833423900 / 1
LCM(42812,42825) = 1833423900

Least Common Multiple (LCM) of 42812 and 42825 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42812 and 42825. First we will calculate the prime factors of 42812 and 42825.

Prime Factorization of 42812

Prime factors of 42812 are 2, 7, 11, 139. Prime factorization of 42812 in exponential form is:

42812 = 22 × 71 × 111 × 1391

Prime Factorization of 42825

Prime factors of 42825 are 3, 5, 571. Prime factorization of 42825 in exponential form is:

42825 = 31 × 52 × 5711

Now multiplying the highest exponent prime factors to calculate the LCM of 42812 and 42825.

LCM(42812,42825) = 22 × 71 × 111 × 1391 × 31 × 52 × 5711
LCM(42812,42825) = 1833423900