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 {21, 27, 12, 19, 8, 5} → ______
- Prime numbers in {8, 9, 29, 15, 21, 25} → ______
- Prime numbers in {27, 29, 21, 5, 3, 2} → ______
- Prime numbers in {3, 17, 27, 29, 2, 11} → ______
- Prime numbers in {27, 8, 2, 19, 15, 3} → ______
- Prime numbers in {17, 21, 9, 29, 2, 11} → ______
- Prime numbers in {9, 11, 12, 15, 23, 8} → ______
- Prime numbers in {21, 3, 19, 2, 12, 27} → ______
- Prime numbers in {2, 17, 3, 21, 23, 27} → ______
- Prime numbers in {29, 25, 5, 21, 19, 15} → ______
- Prime numbers in {5, 19, 8, 3, 9, 11} → ______
- Prime numbers in {25, 12, 5, 17, 27, 29} → ______
- Prime numbers in {21, 27, 25, 9, 23, 15} → ______
- Prime numbers in {19, 17, 8, 25, 27, 11} → ______
- Prime numbers in {27, 2, 25, 29, 13, 17} → ______
- Prime numbers in {15, 17, 23, 21, 5, 9} → ______
- Prime numbers in {15, 2, 27, 5, 7, 21} → ______
- Prime numbers in {8, 13, 23, 19, 7, 27} → ______
- Prime numbers in {21, 12, 13, 25, 27, 8} → ______
- Prime numbers in {23, 8, 25, 17, 13, 3} → ______