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What is the Least Common Multiple of 42499 and 42505?

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 42499 and 42505 is 1806419995.

LCM(42499,42505) = 1806419995

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Least Common Multiple of 42499 and 42505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42499 and 42505, than apply into the LCM equation.

GCF(42499,42505) = 1
LCM(42499,42505) = ( 42499 × 42505) / 1
LCM(42499,42505) = 1806419995 / 1
LCM(42499,42505) = 1806419995

Least Common Multiple (LCM) of 42499 and 42505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42499 and 42505. First we will calculate the prime factors of 42499 and 42505.

Prime Factorization of 42499

Prime factors of 42499 are 42499. Prime factorization of 42499 in exponential form is:

42499 = 424991

Prime Factorization of 42505

Prime factors of 42505 are 5, 8501. Prime factorization of 42505 in exponential form is:

42505 = 51 × 85011

Now multiplying the highest exponent prime factors to calculate the LCM of 42499 and 42505.

LCM(42499,42505) = 424991 × 51 × 85011
LCM(42499,42505) = 1806419995