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Write the prime factorization of 4
2 * 2
Write the prime factorization of 90
2 * 3 * 3 * 5
Write the prime factorization of 88
2 * 2 * 2 * 11
Write the prime factorization of 140
2 * 2 * 5 * 7
Write the prime factorization of 210.
2 * 3 * 5 * 7
Write the prime factorization of 39
3 * 13
Write the prime factorization of 147
3 * 7 * 7
Write the prime factorization of 81
3 * 3 * 3 * 3
Solve: 5 + (-6)
-1
Solve: -3 - 5
-8
-3 - (-5)
2
9 + (-13)
-4
-12 + 4
-8
-6 + 6
0
7 - (-4)
11
6 + (-9)
-3
