Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {15, 8, 25, 13, 3, 5} → ______
- Prime numbers in {27, 21, 13, 8, 23, 25} → ______
- Prime numbers in {17, 12, 29, 3, 25, 5} → ______
- Prime numbers in {17, 27, 15, 11, 19, 8} → ______
- Prime numbers in {25, 27, 2, 3, 21, 15} → ______
- Prime numbers in {5, 11, 19, 3, 7, 12} → ______
- Prime numbers in {5, 8, 7, 13, 11, 25} → ______
- Prime numbers in {23, 2, 5, 19, 21, 12} → ______
- Prime numbers in {5, 2, 12, 21, 25, 9} → ______
- Prime numbers in {13, 19, 2, 25, 29, 8} → ______
- Prime numbers in {13, 25, 17, 5, 8, 21} → ______
- Prime numbers in {13, 8, 5, 29, 12, 2} → ______
- Prime numbers in {25, 13, 5, 3, 19, 8} → ______
- Prime numbers in {2, 12, 15, 23, 13, 17} → ______
- Prime numbers in {17, 29, 8, 2, 7, 19} → ______
- Prime numbers in {3, 2, 19, 27, 8, 21} → ______
- Prime numbers in {9, 23, 8, 13, 27, 3} → ______
- Prime numbers in {23, 29, 12, 25, 3, 11} → ______
- Prime numbers in {5, 9, 29, 11, 15, 25} → ______
- Prime numbers in {17, 8, 21, 5, 11, 27} → ______