21. GCF means what is the greatest number that goes into both, and 21*2=42.
To determine how many times 2 goes into 42, you would perform a division operation. 42 divided by 2 equals 21, so 2 goes into 42 twenty-one times without any remainder.
The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, and 42.
2/42=21 , 3/42=8 , 6x7=42
1, 2, 3, 6, 7, 14, 21, 42
To find out how many times 42 goes into 189, you would perform a division operation. Divide 189 by 42 to get the quotient. In this case, 189 รท 42 = 4 with a remainder of 21. So, 42 goes into 189 four times with a remainder of 21.
0.0476
Only the number 1.
42
Th LCM of 21 and 42 is: 42
21 * 42 = 882
21*42=882