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What is the Least Common Multiple of 72046 and 72065?

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 72046 and 72065 is 5191994990.

LCM(72046,72065) = 5191994990

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Least Common Multiple of 72046 and 72065 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72046 and 72065, than apply into the LCM equation.

GCF(72046,72065) = 1
LCM(72046,72065) = ( 72046 × 72065) / 1
LCM(72046,72065) = 5191994990 / 1
LCM(72046,72065) = 5191994990

Least Common Multiple (LCM) of 72046 and 72065 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72046 and 72065. First we will calculate the prime factors of 72046 and 72065.

Prime Factorization of 72046

Prime factors of 72046 are 2, 13, 17, 163. Prime factorization of 72046 in exponential form is:

72046 = 21 × 131 × 171 × 1631

Prime Factorization of 72065

Prime factors of 72065 are 5, 7, 29, 71. Prime factorization of 72065 in exponential form is:

72065 = 51 × 71 × 291 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 72046 and 72065.

LCM(72046,72065) = 21 × 131 × 171 × 1631 × 51 × 71 × 291 × 711
LCM(72046,72065) = 5191994990