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