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What is the Least Common Multiple of 70926 and 70940?

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 70926 and 70940 is 2515745220.

LCM(70926,70940) = 2515745220

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Least Common Multiple of 70926 and 70940 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70926 and 70940, than apply into the LCM equation.

GCF(70926,70940) = 2
LCM(70926,70940) = ( 70926 × 70940) / 2
LCM(70926,70940) = 5031490440 / 2
LCM(70926,70940) = 2515745220

Least Common Multiple (LCM) of 70926 and 70940 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70926 and 70940. First we will calculate the prime factors of 70926 and 70940.

Prime Factorization of 70926

Prime factors of 70926 are 2, 3, 11821. Prime factorization of 70926 in exponential form is:

70926 = 21 × 31 × 118211

Prime Factorization of 70940

Prime factors of 70940 are 2, 5, 3547. Prime factorization of 70940 in exponential form is:

70940 = 22 × 51 × 35471

Now multiplying the highest exponent prime factors to calculate the LCM of 70926 and 70940.

LCM(70926,70940) = 22 × 31 × 118211 × 51 × 35471
LCM(70926,70940) = 2515745220