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What is the Least Common Multiple of 78383 and 78400?

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 78383 and 78400 is 6145227200.

LCM(78383,78400) = 6145227200

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Least Common Multiple of 78383 and 78400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78383 and 78400, than apply into the LCM equation.

GCF(78383,78400) = 1
LCM(78383,78400) = ( 78383 × 78400) / 1
LCM(78383,78400) = 6145227200 / 1
LCM(78383,78400) = 6145227200

Least Common Multiple (LCM) of 78383 and 78400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78383 and 78400. First we will calculate the prime factors of 78383 and 78400.

Prime Factorization of 78383

Prime factors of 78383 are 103, 761. Prime factorization of 78383 in exponential form is:

78383 = 1031 × 7611

Prime Factorization of 78400

Prime factors of 78400 are 2, 5, 7. Prime factorization of 78400 in exponential form is:

78400 = 26 × 52 × 72

Now multiplying the highest exponent prime factors to calculate the LCM of 78383 and 78400.

LCM(78383,78400) = 1031 × 7611 × 26 × 52 × 72
LCM(78383,78400) = 6145227200