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What is the Least Common Multiple of 45973 and 45980?

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 45973 and 45980 is 2113838540.

LCM(45973,45980) = 2113838540

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Least Common Multiple of 45973 and 45980 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45973 and 45980, than apply into the LCM equation.

GCF(45973,45980) = 1
LCM(45973,45980) = ( 45973 × 45980) / 1
LCM(45973,45980) = 2113838540 / 1
LCM(45973,45980) = 2113838540

Least Common Multiple (LCM) of 45973 and 45980 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45973 and 45980. First we will calculate the prime factors of 45973 and 45980.

Prime Factorization of 45973

Prime factors of 45973 are 31, 1483. Prime factorization of 45973 in exponential form is:

45973 = 311 × 14831

Prime Factorization of 45980

Prime factors of 45980 are 2, 5, 11, 19. Prime factorization of 45980 in exponential form is:

45980 = 22 × 51 × 112 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 45973 and 45980.

LCM(45973,45980) = 311 × 14831 × 22 × 51 × 112 × 191
LCM(45973,45980) = 2113838540