2 digit by 2 digit
24 x 12
288
111 x 17
1,887
Estimate the product
672 x 12
7,000 or 8,400
Find the prime factorization of: 66
2 x 3 x 11
36 x 17
612
274 x 34
9,316
Estimate the product
78 x 34
2,400
Find the prime factorization of:32
2 x 2 x 2 x 2 x 2 or 25
98 x28
2,744
856 x 78
66,768
Estimate the product
93 x 128
11,700
Find the prime factorization of: 45
3 x 3 x 5 or 32 x 5
78 x 51
3,978
923 x 22
20,306
Estimate the product
391 x 45
20,000
Find the prime factorization of: 100
22 x 52 or 2 x 2 x 5 x 5
42 x 99
4,158
999 x 99
98,901
Estimate the product
734 x 99
70,000
Find the prime factorization of: 120
23 x 3 x 5