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