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