What is the Least Common Multiple of 64950 and 64970?
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 64950 and 64970 is 421980150.
LCM(64950,64970) = 421980150
Least Common Multiple of 64950 and 64970 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64950 and 64970, than apply into the LCM equation.
GCF(64950,64970) = 10
LCM(64950,64970) = ( 64950 × 64970) / 10
LCM(64950,64970) = 4219801500 / 10
LCM(64950,64970) = 421980150
Least Common Multiple (LCM) of 64950 and 64970 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 64950 and 64970. First we will calculate the prime factors of 64950 and 64970.
Prime Factorization of 64950
Prime factors of 64950 are 2, 3, 5, 433. Prime factorization of 64950 in exponential form is:
64950 = 21 × 31 × 52 × 4331
Prime Factorization of 64970
Prime factors of 64970 are 2, 5, 73, 89. Prime factorization of 64970 in exponential form is:
64970 = 21 × 51 × 731 × 891
Now multiplying the highest exponent prime factors to calculate the LCM of 64950 and 64970.
LCM(64950,64970) = 21 × 31 × 52 × 4331 × 731 × 891
LCM(64950,64970) = 421980150
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