The factors of 18 are: 1, 2, 3, 6, 9, 18
The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40
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The LCM of 18 and 40 is: 360The prime factorization of 18 = 2 x 3 x 3,The prime factorization of 40 = 2 x 2 x 2 x 5.The greatest common factor of 18 and 40 is 2, so their LCM = (18 x 40)/2 = 360
The factors of 2 are 1 and 2 The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40 The factors of 54 are 1, 2, 3, 6, 9, 18, 27, and 54
The factors of 15 are 1, 3, 5, and 15 The factors of 18 are 1, 2, 3, 6, 9, and 18 The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24 The factors of 27 are 1, 3, 9, and 27 The factors of 28 are 1, 2, 4, 7, 14 and 28 The factors of 32 are 1, 2, 4, 8, 16, and 32 The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40
The factors of 4 are: 1, 2, and 4.The only prime factor of 4 is: 2.The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, and 40.The prime factors of 40 are: 2 and 5.
Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72.Factors of 32: 1, 2, 4, 8, 16, 32.Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40.GCF (72, 32, 40) = 8