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What is the Least Common Multiple of 72402 and 72415?

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 72402 and 72415 is 5242990830.

LCM(72402,72415) = 5242990830

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Least Common Multiple of 72402 and 72415 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72402 and 72415, than apply into the LCM equation.

GCF(72402,72415) = 1
LCM(72402,72415) = ( 72402 × 72415) / 1
LCM(72402,72415) = 5242990830 / 1
LCM(72402,72415) = 5242990830

Least Common Multiple (LCM) of 72402 and 72415 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72402 and 72415. First we will calculate the prime factors of 72402 and 72415.

Prime Factorization of 72402

Prime factors of 72402 are 2, 3, 11, 1097. Prime factorization of 72402 in exponential form is:

72402 = 21 × 31 × 111 × 10971

Prime Factorization of 72415

Prime factors of 72415 are 5, 7, 2069. Prime factorization of 72415 in exponential form is:

72415 = 51 × 71 × 20691

Now multiplying the highest exponent prime factors to calculate the LCM of 72402 and 72415.

LCM(72402,72415) = 21 × 31 × 111 × 10971 × 51 × 71 × 20691
LCM(72402,72415) = 5242990830