Assertion: prime number's factor | /r/HasProperty | composite factors of 21
Facets:
Source sentences:
text: factors of 20: 1 x 20, 2 x 10, 4 x 5 20 is composite factors of 21: 1 x 21, 3 x 7 21 is composite factors of 22: 1 x 22, 2 x 11 22 is composite factors of 23: 1