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