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