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What is the Least Common Multiple of 79398 and 79402?

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 79398 and 79402 is 3152179998.

LCM(79398,79402) = 3152179998

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Least Common Multiple of 79398 and 79402 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79398 and 79402, than apply into the LCM equation.

GCF(79398,79402) = 2
LCM(79398,79402) = ( 79398 × 79402) / 2
LCM(79398,79402) = 6304359996 / 2
LCM(79398,79402) = 3152179998

Least Common Multiple (LCM) of 79398 and 79402 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79398 and 79402. First we will calculate the prime factors of 79398 and 79402.

Prime Factorization of 79398

Prime factors of 79398 are 2, 3, 11, 401. Prime factorization of 79398 in exponential form is:

79398 = 21 × 32 × 111 × 4011

Prime Factorization of 79402

Prime factors of 79402 are 2, 29, 37. Prime factorization of 79402 in exponential form is:

79402 = 21 × 291 × 372

Now multiplying the highest exponent prime factors to calculate the LCM of 79398 and 79402.

LCM(79398,79402) = 21 × 32 × 111 × 4011 × 291 × 372
LCM(79398,79402) = 3152179998