36 x 2 = 72
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36 x 2 = 72
It goes: 180/72 = 2.5 times
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
72 times.
72... 8 goes into 72, 9 times 9 goes into 72, 8 times and 6 goes into 72, 12 times