This gives you the prime factorization of a number: 2 *2 *2 *2*3, as you climb the stairs while dividing. (two divides into 72, 36 times. Two divides into 36, 18 times. Two divideds into 19, 9 times. Three divides into 9, 3 times.) 3[3 2[9 2[18 2[36 2[72
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72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
Yes. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72.
False. 72 is a multiple of 6.
The highest common factor (HCF) of 40 and 72 is the largest number that divides both 40 and 72 without leaving a remainder. To find the HCF, we need to identify the common factors of 40 and 72, which are 1, 2, 4, and 8. The highest common factor of 40 and 72 is 8.
The least common factor of any set of integers is 1.