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