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